Annals of Coloproctology

The Korean Society of Coloproctology (대한대장항문학회)
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Female Sex and Right-Sided Tumor Location Are Poor Prognostic Factors for Patients With Stage III Colon Cancer After a Curative Resection

  • Park, Jung Ho (Department of Surgery, Hallym University Sacred Heart Hospital) ;
  • Park, Hyoung-Chul (Department of Surgery, Hallym University Sacred Heart Hospital) ;
  • Park, Sung Chan (Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center) ;
  • Oh, Jae Hwan (Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center) ;
  • Kim, Duck-Woo (Department of Surgery, Seoul National University Bundang Hospital) ;
  • Kang, Sung-Bum (Department of Surgery, Seoul National University Bundang Hospital) ;
  • Heo, Seung Chul (Department of Surgery, Seoul Metropolitan Government-Seoul National University Boramae Medical Center) ;
  • Kim, Min Jung (Center for Colorectal Cancer, Research Institute and Hospital, National Cancer Center) ;
  • Park, Ji Won (Department of Surgery, Seoul National University College of Medicine) ;
  • Jeong, Seung-Yong (Department of Surgery, Seoul National University College of Medicine) ;
  • Park, Kyu Joo (Department of Surgery, Seoul National University College of Medicine)
  • Received : 2018.07.13
  • Accepted : 2018.10.29
  • Published : 2018.12.31
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Abstract

Purpose: Stage-IIIC colon cancer is an advanced disease; however, its oncologic outcomes and prognostic factors remain unclear. In this study, we aimed to determine the predictors of disease-free survival (DFS) in patients with stage-IIIC colon cancer. Methods: From a multicenter database, we retrospectively enrolled 611 patients (355 men and 256 women) who had undergone a potentially curative resection for a stage-IIIC colon adenocarcinoma between 2003 and 2011. The primary endpoint was the 5-year DFS. Results: The median age was 62 years; 213 and 398 patients had right-sided colon cancer (RCC) and left-sided colon cancer (LCC), respectively. The 5-year DFS in all patients was 52.0%; median follow-up time was 35 months (range, 1-134 months). A multivariate Cox regression revealed that female sex (hazard ratio [HR], 1.50; 95% confidence interval [CI], 1.19-1.90; P < 0.01), right-sided tumor location (HR, 1.65; 95% CI, 1.29-2.11; P < 0.01), lymphatic invasion (HR, 1.52; 95% CI, 1.08-2.15; P < 0.01) and a high (${\geq}0.4$) metastatic lymph node ratio (HR, 3.72; 95% CI, 2.63-5.24; P < 0.01) were independent predictors of worse 5-year DFS. Female patients with RCC were 1.79 fold more likely to experience recurrence than male patients with LCC. Conclusion: Female sex and right-sided tumor location are associated with higher tumor recurrence rates in patients with stage-IIIC colon cancers. Aggressive treatment and close surveillance should be planned for patients in these groups.

Keywords

References

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