Appendiceal intussusception complicated by adenocarcinoma of the cecum: A case report

Figure 4 Tumor invasion into the muscle and subserous layers. The lesion of the polypoid bulge in the ileocecal region is the structure of the appendix intestinal wall, and the tissue layer is the serous layer, muscle layer, submucosal layer, and mucosal layer from medial to lateral. Adenocarcinoma build-up may be seen in the muscular layer (orange triangle).