CA125: A superior prognostic biomarker for colorectal cancer compared to CEA, CA19-9 or CA242

Tumor Biology ◽  
2021 ◽  
Vol 43 (1) ◽  
pp. 57-70
Author(s):  
Kajsa Björkman ◽  
Harri Mustonen ◽  
Tuomas Kaprio ◽  
Henna Kekki ◽  
Kim Pettersson ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Prognostic Factor ◽  
Cox Regression ◽  
Tumor Stage ◽  
Significant Prognostic Factor ◽  
Serum Samples ◽  
Cox Regression Analysis ◽  
Ca125 Level ◽  
Preoperative Serum ◽  
Colon And Rectal Cancer

OBJECTIVES: The tumor stage represents the single most important prognostic factor for colorectal cancer (CRC), although more accurate prognostics remain much needed. Previously, we identified CA125 as an independent significant prognostic factor, which we have further validated along with CEA, CA19-9, and CA242 in a large cohort of CRC patients. METHODS: Using enzyme-linked immunosorbent assays, we analyzed preoperative serum samples in 322 CRC patients operated on between 1998 and 2003. RESULTS: Using the Spearman’s rho model, we calculated the correlation between our previous findings on MUC16 and CA125, for which the correlation coefficient was 0.808 (p < 0.001). The Cox regression analysis of the linear and logarithmic values of CEA, CA125, CA242, and CA19-9 identified only CA125 (hazard ratio [HR] 1.03; 95% confidence interval [95% CI] 1.02−1.04; p < 0.001) as significant when using the linear values. Survival among CRC patients with a high CA125 level was poor compared with CRC patients with a low CA125 level (HR 2.48; 95% CI 1.68–3.65; p < 0.001). In subgroup analyses, patients with high CA125 levels and aged ≤67 or >67, with stage I–II or III–IV, and both colon and rectal cancer exhibited poor prognoses. In the multivariate analysis, we used clinical pathological variables in the model, where age, gender, and stage served as the background characteristics. We dichotomized CA125 using the Youden maximal cutoff point, and the median values for CEA, CA19-9, and CA242. CA125 emerged as the only marker remaining significant and independent together with stage, location, and age (HR 1.91; 95% CI 1.24–2.95; p 0.003). CONCLUSIONS: CA125 represents a significant and independent prognostic factor in CRC patients, superior to CEA. Furthermore, CA242 served as a better prognostic marker than both CEA and CA19-9. We recommend including both CA125 and CA242 in prognostic clinical trials among CRC patients.

Micrometastasis volume in stage II colorectal cancer: A prospective study by Clinical Study Group of Osaka University (CSGO).

2017 ◽  
Vol 35 (4_suppl) ◽  
pp. 597-597
Author(s):  
Kohei Murata ◽  
Hirofumi Yamamoto ◽  
Mutsumi Fukunaga ◽  
Tadashi Ohnishi ◽  
Shingo Noura ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Prognostic Factor ◽  
Cox Regression ◽  
Stage Ii ◽  
Significant Prognostic Factor ◽  
Rt Pcr ◽  
Clinical Value ◽  
Poor Prognostic Factor ◽  
Stage Ii Colorectal Cancer ◽  
Cea Mrna

597 Background: We reported in a retrospective study that the presence of micrometastasis in lymph nodes (LNs), when assessed by CEA-specific RT-PCR, is a significant prognostic factor in stage II colorectal cancer (CRC). The aim of this study was to clarify the clinical value of micrometastasis in a prospective multicenter trial. Methods: From November 2001 to December 2005, a total of 419 CRC cases were preoperatively registered at a central data center. Of them, 315 node-negative stage II CRC were enrolled. After RNA quality check, 304 CRC cases were analyzed for CEA mRNA in LNs by both conventional RT-PCR (a band method) and quantitative RT-PCR. Long-term prognosis of the patients was determined by each method. Results: A positive band for CEA mRNA was detected in 73 (24.0%) of 304 patients. Post-operative adjuvant chemotherapy was applied in 31 CEA band-positive cases with an oral 5-FU derivative HCFU (1-hexylcarbamoyl-5-fluorouracil) for one year, while chemotherapy was not administered to CEA band-negative group. Multivariate Cox regression analyses revealed that a high micrometastasis volume (High-MMV, n = 95) was an independent poor prognostic factor for 5-year DFS ( P= 0.001) and 5-year OS ( P= 0.016). Conclusions: This prospective clinical trial demonstrates that micrometastasis volume is a useful marker in identifying patients who are at high or low risk for recurrence of stage II CRC.

scholarly journals Clinical Significance of Pre-to-Postoperative Dynamics of Aspartate Transaminase/Alanine Transaminase Ratio in Predicting the Prognosis of Renal Cell Carcinoma after Surgical Treatment

2020 ◽  
Vol 2020 ◽  
pp. 1-9
Author(s):  
Minyong Kang ◽  
Seung Jea Shin ◽  
Hyun Hwan Sung ◽  
Hwang Gyun Jeon ◽  
Byong Chang Jeong ◽  
...  
Keyword(s):  
Renal Cell Carcinoma ◽  
Prognostic Factor ◽  
Cell Carcinoma ◽  
Renal Cell ◽  
Radical Nephrectomy ◽  
Cox Regression ◽  
Significant Prognostic Factor ◽  
Cancer Specific Survival ◽  
Cox Regression Analysis ◽  
Group 2

Background. This study is aimed at examining the prognostic role of pre-to-postoperative dynamics of De Ritis ratio (aspartate aminotransaminase (AST)/alanine aminotransaminase (ALT)) in patients with nonmetastatic renal cell carcinoma (RCC) following radical nephrectomy. Methods. We retrospectively reviewed the records of 670 patients who underwent radical nephrectomy for nonmetastatic RCC between 1996 and 2012 at our institution. The cutoff points for preoperative (=1.0) and postoperative AST/ALT ratios (=1.12) were assigned based on the median values. We categorized patients into four groups according to the dynamics of AST/ALT ratios: group 1 (lower (≤1.0) ⟶ lower (≤1.12)), group 2 (lower (≤1.0) ⟶ higher (>1.12)), group 3 (higher (>1.0) ⟶ lower (≤1.12)), and group 4 (higher (>1.0) → higher (>1.12)). Results. When grouped by a preoperative AST/ALT ratio alone, the groups were not statistically different in cancer-specific survival (CSS) or overall survival (OS). In contrast, in Kaplan-Meier analysis, CSS (P=0.0296) and OS (P=0.0324) were both significantly shorter with an increased postoperative AST/ALT ratio. According to the pre-to-postoperative dynamics of the AST/ALT ratio, group 2 (lower (≤1.0) ⟶ higher (>1.12)) had a significantly lower CSS (P=0.0028) and OS (P=0.0194) than the other groups. On multivariate Cox regression analysis, the pre-to-postoperative dynamics of the AST/ALT ratio were a significant prognostic factor for CSS (hazard ratio, HR=3.45) and OS (HR=2.18). Conclusion. This study is the first to suggest that the dynamics of the pre-to-postoperative De Ritis ratio represent an independent prognostic factor for RCC patients following nephrectomy.

scholarly journals Symptom Relief is the Most Significant Prognostic Factor for Unresectable Locally Advanced/Recurrent Pancreatic Cancer Receiving Chemoradiotherapy: Analysis of 65 Cases

2020 ◽  
Author(s):  
Ting Jiang ◽  
Jingxian Shen ◽  
Shuang Liu ◽  
Qing Liu ◽  
Weiwei Xiao ◽  
...  
Keyword(s):  
Pancreatic Cancer ◽  
Prognostic Factor ◽  
Radiation Dose ◽  
Cox Regression ◽  
Symptom Relief ◽  
Locally Advanced ◽  
Rank Test ◽  
Significant Prognostic Factor ◽  
Cox Regression Analysis ◽  
Recurrent Pancreatic Cancer

Abstract BackgroundPancreatic cancer is the fourth leading cause of cancer-related death throughout the world. For local advanced and recurrent pancreatic cancer (LAPC/LRPC), chemoradiotherapy (CRT) is a main choice which may prolong their survival and ease patients’ symptoms.MethodsWe constructed a database of 65 patients with LAPC/LRPC treated from June, 2004 to February, 2018. We used log-rank test to evaluate the different overall survival (OS) rates of all factors involved, and used cox regression model to find out independent prognostic factors for these patients.ResultsThe median OS time for 65 eligible patients was 23.6 months. 47 (72.3%) and 18 (27.7%) patients had unresectable LAPC and LRPC, and median OS time was 17.2 and 40.7 months (P= 0.02), respectively. The mean biological effective dose (BED) to gross tumor volume (GTV) was 64.8Gy (46.7-85.5 Gy). 11(16.9%) and 54(83.1%) patients had BED> 72 Gy and BED≤ 72 Gy, and their mOS was 31.8 and 21.9 months (P= 0.08), respectively. Simultaneous dose boost to interval GTV (GTVin) was applied to 23 patients (35.4%). Patients with large GTV volume (≥ 109.2 cm3) may benefit from radiation dose boost (mOS: 27.6 vs. 5.3 months, P= 0.004). Patients with symptom relief including relief of pain, jaundice, and/or diarrhea had higher OS rates than those without response (mOS: 25.7 vs. 13.2 months, P< 0.01) and multivariate cox regression analysis suggested symptom relief was the most significant prognostic factor for OS (HR= 0.44, 95%CI 0.35-2.36, P= 0.02).ConclusionCRT with simultaneous integrated boost of radiation dose may bring survival benefit for LAPC/LRPC patients with bulk tumor. Symptom relief is the most significant prognostic factor for LAPC/LRPC patients after comprehensive CRT.

scholarly journals Prognostic factors and survival according to tumour subtype in women presenting with breast cancer bone metastases at initial diagnosis: a SEER based study

2020 ◽  
Author(s):  
Xiao Li ◽  
Xiaoli Zhang ◽  
Jie Liu
Keyword(s):  
Breast Cancer ◽  
Prognostic Factor ◽  
Bone Metastases ◽  
Cox Regression ◽  
Molecular Subtype ◽  
Stage Iv ◽  
Cox Proportional Hazards Model ◽  
Significant Prognostic Factor ◽  
Cancer Stage ◽  
Cox Regression Analysis

Abstract Background : Tumour subtype have a significant effect on bone metastasis in breast cancer, but population-based estimates of the prognosis of bone metastases at diagnosis of breast cancer are lacking. The aim of this study was to analyse the influence of tumour subtype and other factors in the prognostic and survival of patients with bone metastases of breast cancer. Methods : Using the Surveillance, Epidemiology, and End Results Program (SEER) data of 2012 to 2016 conducted a retrospective cohort study to investigate stage IV patients with bone metastases in breast cancer. Stage IV Patients characteristic according subtype were compared using chi-square, overall survival (OS), prognostic factor calculated using the Kaplan-Meier method and the Cox proportional hazards model. Results : A total of 3384 stage IV patients were included in this study. 63.42% were HR+/HER2-, 19.86% were HR+/HER2+, 9.34% were HR-/HER2-, and 7.39% were HR-/HER2+. Median OS for the whole population was 38 months, and 33.9% of the patients were alive at five-year. The median OS and five-year survival rate among the different molecular subtype of breast cancer stage IV patients are significant differences ( p <0.05). Multivariate Cox regression analysis showed that age of 55-59 (HR=1.270 ), black race ( HR=1.317 ), grade in III or IV ( HR=1.960 ), HR-/HER2- (HR=2.808), lung metastases (HR=1.378), live metastases (HR=2.085), brain metastases (HR=1.903) are independent risk factors of prognosis; married (HR=0.819 ), HR+/HER2+ (HR=0.631 ), HR-/HER2+ (HR=0.716), insurance (HR=0.587 ) and surgery (HR=0.504) are independent protection factors of prognosis. There is interaction between HR+/HER2+ subtype and other metastases (except bone metastases, HR=0.694, 95%CI: 0.485-0.992）,but interaction between race and substype did not reach significance on prognosis. Conclusions : There were substantial differences in OS according to tumour subtype. In addition to tumour subtype, other independent predictors of OS are age at diagnosis, race, marital status, insurance, grade, surgery and visceral metastases. There is interaction between HR+/HER2+ subtype and other metastases (except bone metastases) on prognosis. Tumour subtype, as a significant prognostic factor, warrant further investigation. Keywords : Breast cancer, Bone metastases, Tumour subtype, Prognosis factor, Survival

scholarly journals Hemoglobin, albumin, lymphocytes and platelets (HALP) score is a useful predictor of survival in patients with recurrent glioblastoma multiforme treated with bevacizumab plus irinotecan

2021 ◽  
Author(s):  
Mustafa Korkmaz ◽  
Melek Karakurt Eryılmaz ◽  
Mehmet zahid koçak ◽  
Aykut Demirkıran ◽  
mustafa Karaağaç ◽  
...  
Keyword(s):  
Prognostic Factor ◽  
Cox Regression ◽  
Univariate Analysis ◽  
Predictive Marker ◽  
Recurrent Glioblastoma ◽  
Significant Prognostic Factor ◽  
Recurrent Glioblastoma Multiforme ◽  
Poor Prognostic Factor ◽  
Cox Regression Analysis ◽  
Recurrent Gbm

Abstract Backgrounds: We aimed to investigate whether the HALP score is a predictive marker in patients with recurrent GBM who were given bevacizumab plus irinotecan.Methods: We compared the survival of patients followed up in our clinic with the diagnosis of recurrent GBM and treated with bevacizumab plus irinotecan, according to HALP score.Results: Median PFS and OS were 4.5 (0.9-14.9) and 8 (0.9-21.3) months, respectively. The median PFS of the low HALP score group was 1.85 (1.3-3.37) months, and of the high HALP score group was 4.96 (0.9-14.9) months (p=0.03). The OS of the high HALP score group (9.63 [7.28-11.9]) was statistically higher compared with low HALP score group (2.26 [0.88-3.65]) (p<0.001). In univariate analysis HALP score was a significant prognostic factor; patients with low HALP score had a poorer prognosis than high HALP score (HR: 0.063, p<0.001). The multivariate analysis showed that HALP score (p=0.003), and residual tumor (p=0.029) were significant prognostic factors. In multivariate Cox regression analysis, low HALP score was a significant poor prognostic factor for OS compared with high HALP score (HR: 0.063, p<0.001). Conclusion: We showed that the HALP score at the start of treatment is an independent prognostic factor for PFS and OS in patients with recurrent GBM treated with bevacizumab plus irinotecan. The HALP score, which can be easily calculated by routine tests before chemotherapy, can be used as a predictive marker for bevacizumab treatment decision.

scholarly journals Enhancing the Landscape of Colorectal Cancer Using Targeted Deep Sequencing

2020 ◽  
Author(s):  
Chul Seung Lee ◽  
In Hye Song ◽  
Ahwon Lee ◽  
Jun Kang ◽  
Yoon Suk Lee ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Poor Prognosis ◽  
Cox Regression ◽  
Disease Free Survival ◽  
Tumor Stage ◽  
Underlying Disease ◽  
Clinicopathological Characteristics ◽  
Oncologic Outcomes ◽  
Cox Regression Analysis ◽  
Targeted Next Generation Sequencing

Targeted next-generation sequencing (NGS) technology detects specific mutations that can provide treatment opportunities for colorectal cancer (CRC) patients. We included 145 CRC patients who underwent surgery. We analyzed the mutation frequencies of common actionable genes and their association with clinicopathological characteristics and oncologic outcomes using targeted NGS. Approximately 97.9% (142) of patients showed somatic mutations. Frequent mutations were observed in TP53 (70%), KRAS (49%), and APC (47%). TP53 mutations were significantly linked to higher overall stage (p=0.038) and lower disease-free survival (DFS) (p=0.039). ATM mutation was significantly associated with higher tumor stage (p=0.012) and shorter overall survival (OS) (p=0.041). Stage 3 and 4 patients with ATM mutations (p=0.023) had shorter OS, and FBXW7 mutation was significantly associated with shorter DFS (p=0.002). In multivariate Cox regression analysis, ATM mutation was an independent biomarker for poor prognosis of OS (p=0.022). TP53 and FBXW7 mutations are independent biomarkers for poor prognosis of DFS (p=0.042 and 0.030, respectively). A comprehensive analysis of the molecular markers for CRC can provide insights into the mechanisms underlying disease progression and help optimize a personalized therapy.

scholarly journals Prognostic factors and survival according to tumour subtype in women presenting with breast cancer bone metastases at initial diagnosis: a SEER based study

2020 ◽  
Author(s):  
Xiao Li ◽  
Xiaoli Zhang ◽  
Jie Liu
Keyword(s):  
Breast Cancer ◽  
Prognostic Factor ◽  
Bone Metastases ◽  
Cox Regression ◽  
Molecular Subtype ◽  
Stage Iv ◽  
Cox Proportional Hazards Model ◽  
Significant Prognostic Factor ◽  
Cancer Stage ◽  
Cox Regression Analysis

Abstract Background: Tumour subtype have a significant effect on bone metastasis in breast cancer, but population-based estimates of the prognosis of bone metastases at diagnosis of breast cancer are lacking. The aim of this study was to analyse the influence of tumour subtype and other factors in the prognostic and survival of patients with bone metastases of breast cancer.Methods: Using the Surveillance, Epidemiology, and End Results Program (SEER) data of 2012 to 2016 conducted a retrospective cohort study to investigate stage IV patients with bone metastases in breast cancer. Stage IV Patients characteristic according subtype were compared using chi-square. Overall survival (OS), prognostic factor calculated using the Kaplan-Meier method and the Cox proportional hazards model.Results: A total of 3384 stage IV patients were included in this study. 63.42% were HR+/HER2-, 19.86% were HR+/HER2+, 9.34% were HR-/HER2-, and 7.39% were HR-/HER2+. Median OS for the whole population was 38 months, and 33.9% of the patients were alive at five-year. The median OS and five-year survival rate among the different molecular subtype of breast cancer stage IV patients are significant differences (p<0.05). Multivariate Cox regression analysis showed that age of 55-59 (HR=1.270), black race (HR=1.317), grade in III or IV (HR=1.960), HR-/HER2- (HR=2.808), lung metastases (HR=1.378), live metastases (HR=2.085), brain metastases (HR=1.903) are independent risk factors of prognosis; married (HR=0.819), HR+/HER2+ (HR=0.631), HR-/HER2+ (HR=0.716), insurance (HR=0.587) and surgery (HR=0.504) are independent protection factors of prognosis. There is interaction between HR+/HER2+ subtype and other metastases (except bone metastases, HR=0.694, 95%CI: 0.485-0.992), but interaction between race and substype did not reach significance on prognosis. Conclusions: There were substantial differences in OS according to tumour subtype. In addition to tumour subtype, other independent predictors of OS are age at diagnosis, race, marital status, insurance, grade, surgery and visceral metastases. There is interaction between HR+/HER2+ subtype and other metastases (except bone metastases) on prognosis. Tumour subtype, as a significant prognostic factor, warrant further investigation.

scholarly journals Diagnostic and prognostic value of the methylation status of secreted frizzled-related protein 2 in colorectal cancer

2011 ◽  
Vol 34 (1) ◽  
pp. 88 ◽  
Author(s):  
Dong Tang ◽  
Jun Liu ◽  
Dao-rong Wang ◽  
Hai-feng Yu ◽  
Yong-kun Li ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Overall Survival ◽  
Promoter Methylation ◽  
Cox Regression ◽  
Precancerous Lesions ◽  
Methylation Status ◽  
Prognostic Significance ◽  
Related Protein ◽  
Serum Samples ◽  
Cox Regression Analysis

Purpose: The aim of this study was to investigate the diagnostic and prognostic significance of the methylation status of secreted frizzled-related protein 2 (SFRP2) in colorectal cancer (CRC). Methods: Methylation-specific PCR assay was performed to analyze SFRP2 promoter methylation in solid tissue, stool and serum samples collected from 169 CRC patients, 63 patients with advanced adenomas, 46 patients with non-adenomatous polyps and 30 normal healthy controls. Results: Methylated SFRP2 was frequently detected in CRC tissues and precancerous lesions. The sensitivity of SFRP2 methylation levels in tissue, fecal and serum DNA for the detection of CRC was similar, ranging from 66.9 to 88.2%; however, serum SFRP2 methylation levels showed a markedly higher specificity in discriminating CRCs from benign adenomas than those of SFRP2 methylation levels in tumor and fecal DNA. Moreover, serum SFRP2 methylation was significantly associated with poor differentiation grade (P=0.019), serosal/subserosal invasion (P < 0.001), lymph node metastasis status (P < 0.001) and TNM stage (P < 0.001) of CRC. CRC patients with SFRP2 hypermethylation in tumor, stool and serum samples had a significantly shorter overall survival than those negative for SFRP2 methylation (P=0.0216, 0.0219, and 0.0255, respectively). Multivariate Cox regression analysis revealed that SFRP2 promoter methylation in tumor samples was an independent prognostic factor for overall survival. Conclusion: Our data suggest that serum SFRP2 methylation status represents a promising, non-invasive marker for CRC detection and staging. Hypermethylated SFRP2 may have prognostic relevance in patients with CRC.

scholarly journals Hemoglobin, albumin, lymphocytes and platelets (HALP) score is a useful predictor of survival in patients with recurrent glioblastoma multiforme treated with bevacizumab plus irinotecan

2021 ◽  
Author(s):  
Mustafa Korkmaz ◽  
Melek Karakurt Eryılmaz ◽  
Mehmet zahid koçak ◽  
Aykut Demirkıran ◽  
mustafa Karaağaç ◽  
...  
Keyword(s):  
Prognostic Factor ◽  
Cox Regression ◽  
Univariate Analysis ◽  
Predictive Marker ◽  
Recurrent Glioblastoma ◽  
Significant Prognostic Factor ◽  
Recurrent Glioblastoma Multiforme ◽  
Poor Prognostic Factor ◽  
Cox Regression Analysis ◽  
Recurrent Gbm

Abstract Purpose: We aimed to investigate whether the HALP score is a predictive marker in patients with recurrent GBM who were given bevacizumab plus irinotecan.Methods: We compared the survival of patients followed up in our clinic with the diagnosis of recurrent GBM and treated with bevacizumab plus irinotecan, according to HALP score.Results: Median PFS and OS were 4.5 (0.9-14.9) and 8 (0.9-21.3) months, respectively. The median PFS of the low HALP score group was 1.85 (1.3-3.37) months, and of the high HALP score group was 4.96 (0.9-14.9) months (p=0.03). The OS of the high HALP score group (9.63 [7.28-11.9]) was statistically higher compared with low HALP score group (2.26 [0.88-3.65]) (p<0.001). In univariate analysis HALP score was a significant prognostic factor; patients with low HALP score had a poorer prognosis than high HALP score (HR: 0.063, p<0.001). The multivariate analysis showed that HALP score (p=0.003), and residual tumor (p=0.029) were significant prognostic factors. In multivariate Cox regression analysis, low HALP score was a significant poor prognostic factor for OS compared with high HALP score (HR: 0.063, p<0.001).Conclusion: We showed that the HALP score at the start of treatment is an independent prognostic factor for PFS and OS in patients with recurrent GBM treated with bevacizumab plus irinotecan. The HALP score, which can be easily calculated by routine tests before chemotherapy, can be used as a predictive marker for bevacizumab treatment decision.

scholarly journals High Expression of RARβ Is a Favorable Factor in Colorectal Cancer

2019 ◽  
Vol 2019 ◽  
pp. 1-7
Author(s):  
Wei Wang ◽  
Shuang Liu ◽  
Chunyi Jiang ◽  
Yan Wang ◽  
Huijun Zhu ◽  
...  
Keyword(s):  
Colorectal Cancer ◽  
Cancer Progression ◽  
Cox Regression ◽  
Human Cancer ◽  
Critical Role ◽  
Tumor Stage ◽  
High Expression ◽  
Clinicopathological Parameters ◽  
Cox Regression Analysis ◽  
Kaplan Meier

RARβ plays a critical role in cancer progression and is associated with several types of human cancer. It remains unclear, however, whether it is linked to the clinicopathological parameters of colorectal cancer (CRC). We therefore determined the expression of RARβ protein in patients with primary CRC and examined its relationship with clinical outcomes. RARβ expression in 234 samples of CRC patients and matched benign noncancerous tumors was detected by immunohistochemistry. RARβ mRNA expression was confirmed using the TCGA and Oncomine databases. COX regression analysis and Kaplan–Meier survival analysis were performed to determine the relationship between RARβ expression and CRC prognosis. Our results show that high expression of RARβ correlated with better prognosis in CRC patients. RARβ expression in CRC specimens was clearly lower than in peritumoral specimens (30.8% vs 58.8%, p<0.001) and significantly correlated with gender (χ2=3.926, p=0.048), tumor differentiation (χ2=5.978, p=0.014), and tumor stage (χ2=6.642, p=0.036). Multivariate analyses further revealed that low RARβ expression (p=0.001), distant metastasis (p=0.001), tissue differentiation (p=0.006), and tumor stage (p=0.002) were associated with overall survival in CRC patients. In addition, Kaplan–Meier analysis indicated that increased RARβ expression in cytoplasm (p=0.001) and early tumor TNM stage (p=0.030) was associated with a more favorable outcome in patients with CRC. In conclusion, RARβ expression was strongly correlated with several clinicopathological factors of CRC and may represent a favorable prognostic marker in patients with CRC.

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