Magnifying view of specimen No. 4. a. The line of the muscularis mucosa was intricate. Cancer cells invaded the mucosal layer and muscularis mucosa, and remarkable congestion and inflammation are evident (hematoxylin and eosin stain, ×40). b. The intramucosal tumor was diagnosed as well-differentiated adenocarcinoma with low-grade atypia (hematoxylin and eosin staining, ×100).
Nakamura et al. BMC Gastroenterology 2013 13:146 doi:10.1186/1471-230X-13-146