Postoperative survival of patients with potentially curable cancer of the colon

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Abstract
The association between histopathologic findings and postoperative survival in 442 patients with potentially curable carcinomas of the colon was analyzed using Cox''s regression model. The prognostic variables included in the study were age, sex, stage of disease according to Dukes'' classification and Broders'' grading, as well as presence/absence at the time of operation of venous and nerve invasion. The overall 5-yr postoperative survival rate was 46.6%. Using a model including all prognostic factors, sex and Dukes'' classification were not found to be associated with survival. Broders'' grading and/or nerve invasion yielded only a borderline statistical significance in the model that included all factors. The invasion of veins was almost always associated with invasion of nerves.

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