Fig. 1From: A case of diverticulum of the appendiceal base resembling a submucosal tumor of the cecum under colonoscopy: a hitherto undescribed lesionColonoscopy findings. Colonoscopy performed just before surgery revealed a submucosal tumor-like lesion approximately 20 mm in diameter with a smooth surface at the cecum (a). Previous colonoscopy showing a normal cecum (5 years prior to surgery, b)Back to article page