In the following, examples for superficial/early Barrett lesions of the esophagus are shown. Here, flat and sessilelesions are predominant, pedunculated tumors are rare. Sessile tumor

A subepithelial tumor has been identified in the fundus. EUS shows that it is 2.5 × 3 cm in size, probably arising from the muscularis propria. No pathological

This video explains the altered anatomy that is encountered after a Billroth II operation. In a Billroth II resection, the lower part of the stomach

Endosonographic drainage of pancreatic cysts is currently regarded as the standard throughout the world, in comparison with other treatments (such as percutaneous drainage or surgery).

Examples of superficial/early squamous cell lesions in the esophagus are presented below. In the esophagus, flat lesions are predominant in the early tumors, and polypoid

Examples of superficial/early gastric tumors are shown below. In the stomach, flat lesions are predominant, often as combined lesions with a central depression (IIa+c). Sessile