Fig. 1From: Postpolypectomy fever in patients with serious infection: a report of two casesColonoscopic examination of a 50-year-old man. A A flat polyp with a diameter of 3 mm in the sigmoid colon. B Two flat polyps with diameters of 3–5 mm in the sigmoid colon. C A flat polyp with a diameter of 4 mm in the rectum; D Rectal biopsyBack to article page