Fig. 2From: Gastric adenosquamous carcinoma producing granulocyte-colony stimulating factor: a case of a rare malignancyExamination images of the colon cancers before the operation. a Abdominal computed tomography revealing an enhancing mass in the sigmoid colon (white arrow head). b A second enhancing mass was identified in the descending colon (white arrow head). c Colonoscopy revealing sigmoid colon cancer (white arrow head). d Synchronous descending colon cancer (white arrow head)Back to article page