the section of the deepest cancer invasion in the submucosal layer was selected and used for analysis. The age and sex, tumor location, macroscopic classification, tumor size, depth of submucosal ...

The cysts are lined by tall columnar epithelium that fills the cyst with viscous mucin. The submucosal layer consists of a highly cellular stroma of spindle cells with elongated nuclei similar to the ...

EUS can detect lesions as small as 2-3 mm in size and is the best method for determining the five echo layers of the stomach. The five echo layers are histologically correlated with the mucosa ...

ESD, a more advanced technique, is employed for complex polyps with a higher risk of submucosal invasion. It involves creating a precise incision and dissecting the polyp layer by layer from the ...