A 65-year-old man was seen in the outpatient clinic for complaints of abdominal bloating and flatulence. He had no history of diarrhea, constipation, melena, or bright red blood per rectum. Flex sigmoidoscopy found a 0.2 cm sessile polyp at 40 cm, but no biopsy was taken. Colonoscopy performed subsequently showed approximately 100 sessile polyps in the colon. Some polyps had central depressions and superficial erosion. Multiple biopsies were taken (Fig. 46.1).


Follicular Lymphoma Mantle Cell Lymphoma Sessile Polyp Lymphoepithelial Lesion Mantle Cell Lymphoma Patient 
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