Fig. 1. Colonoscopic and histologic pictures of polyps in patient 1. (A) PET-CT image shows signal intensity in the mid transverse colon (arrow). (B) Colonoscopic features of colorectal cancer (CRC) developed from sessile serrated adenoma (SSA). (C) Histologic features of CRC (white circle) developed from SSA (black circle) (H&E, ×100).
