Fig. 1From: Imaging features associated with survival outcomes among colorectal cancer patients with and without KRAS mutationA 57-year-old woman with rectosigmoid colon cancer and a wild-type KRAS mutation. The tumor exhibited a lobulated margin, circumferential wall thickening, and homogenous enhancement without adjacent organ invasion (T stage 2; a) and two regional lymph nodes without necrosis (N stage 2; arrow; b)Back to article page