Rare synchronous colorectal carcinoma with three pathological subtypes: A case report and review of the literature

Figure 2 Colonoscopic images. A: An irregularly shaped neoplasm in the right rectal wall occupying over 1/3 of the rectum circumference approximately 2 cm from the anal margin; B: A tumor-like lesion causing intestinal stenosis in the descending colon occupying 1/2 of the colon circumference approximately 32 cm from the anal margin; C: A 2 cm wide polypoidal neoplasm in the ileocecum.