[Prognostic factors in adenocarcinoma of the colon and rectum].

In this series of 986 patients with adenocarcinoma of the colon and rectum, the value of different prognostic factor was discussed. The five-year survival rate was 60.1% overall. The patient's sex and age and the location of the carcinoma were not correlated with survival. The protuberant type macroscopically, less than 2.9 cm in diameter, under one third in circumference and well-differentiated adenocarcinoma were relatively good prognostic factors, but the majority of these cases had adenocarcinoma confined to the bowel wall. The depth of invasion, nodal metastasis and venous invasion were significant indicators of survival.