Analysis of clinicopathological features and prognosis of 1315 cases in colorectal cancer located at different anatomical subsites

Pathology, Research and Practice
Zhen FengShuangyi Ren

Abstract

Compare and analyze the clinicopathological features and prognosis of 1315 patients with colorectal cancer located at different anatomical subsites. A retrospective study was conducted to analyze the clinicopathological features and prognosis from 1315 patients with colorectal cancer who underwent surgery in the department of gastrointestinal surgery at the Second Affiliated Hospital of Dalian Medical University from January 2013 to January 2019. Among them, 287 patients were divided into the right-sided colon cancer (RCC) group; 329 patients were included into the left-sided colon cancer (LCC) group and the remaining 699 patients were assigned to the rectal cancer (RC) group. Clinicopathological features such as gender, age, pathological differentiation, neurovascular invasion, TNM stage, related tumor markers, maximum tumor diameter (MTD), median survival time and overall survival rate were extracted and analyzed. Patients in the RCC group had the oldest age of onset, highest positive rate of serum CA199 and greatest number of poorly differentiated adenocarcinomas among the three groups and significant statistical differences were found. The RC group had the highest positive rate of vascular invasion (42.9%) and the greatest ...Continue Reading

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