Invasive Gastric Adenocarcinoma Arising in a Giant Pedunculated Polyp Causing Intermittent Gastric Outlet Obstruction: A Case Report
A 69-year-old woman with no significant medical or surgical history presented with a three-month history of epigastric pain, early postprandial vomiting, and dyspepsia. Thoracoabdominopelvic computed tomography showed marked esophageal and gastric stasis upstream of an endoluminal polypoid mass extending toward the duo...