[Surgical treatment of villous tumors of the large intestine].

During a period of 10 years 487 patients were under observation, in whom 528 glandular-villous and villous tumors of the rectum and colon were recognized. Malignancy was 11-12% in the colon and 26.3% in the rectum. Endoscopic removal of villous tumors was conducted in 78.9%, transanal excision in 6.5%, and resection of segments of the large intestine in 13.7% of patients. Large villous tumors of the large intestine must be managed by operations of a more radical character.