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Left: 91 year-old woman with weight loss, anemia and blood in the stool. In addition to this villous adenoma in the splenic flexure, there was a carcinoma in the cecum.
Center: Atypical pale appearance of a sessile polyp in a 78 year-old woman with gastrointestinal bleeding. The polyp proved to be a tubulovillous adenoma without dysplasia or carcinoma.
Right: Fine nodularity involving a mucosal fold just above the cecum in a 79 year-old man undergoing colonoscopy for evaluation of anemia and weight loss. The nodularity involved both sides of the fold and could not be easily excised endoscopically. Biopsies revealed the lesion to be a tubulovillous adenoma.
Left and Center: 69 year-old woman with a prior history of colonic carcinoma: 3-4 cm carpet-like tubulovillous adenoma of the cecum; the orifice of the appendix is visible in the image on the left.
Right: 66 year old woman undergoing colonoscopy for average risk screening. 2 cm sessile polyp in the sigmoid colon proved to be a tubulovillous adenoma with high grade dysplasia.
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