Diffuse invasive signet ring cell carcinoma in total colorectum caused by ulcerative colitis: A case report and review of literature

Figure 3 Gross specimen after surgery. The excised intestine had a length of 67 cm and a diameter of 3.5-7.5 cm. The intestine was cut along the opposite side of the mesentery. There were multiple congestions with superficial ulcers on the mucosal surface of the intestinal canal, with a segmental distribution. The wall of the tube 1-16 cm from the rectal stump was diffusely thickened and stiff, with a wall thickness of about 1.2 cm, and the mucosae were polypoid and fused with each other.