Conservative treatment of distal rectal cancer by local excision

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Abstract
From 1954 through 1982, 57 patients with invasive, distal rectal cancer had a full-thickness local excision with curative intent. Prognostic criteria and need for further treatment were based on the histopathologic results of the operative specimen. The overall 5-year survival rate was 83.4%. The rectal cancer-specific mortality rate was 10.5%. None of the 27 patients without adverse prognostic factors died from rectal cancer, and for this group local excision alone was sufficient treatment. The only single factors associated with an adverse outcome were mucinous characteristics and full-thickness invasion. Ulceration alone and penetration into the muscularis propria alone were not adverse factors. In the presence of multiple adverse prognostic factors, mucinous characteristics or full-thickness penetration, local excision was inadequate treatment and an abdominal perineal resection was necessary.

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