abdomen, abdominal, adhesion, adhesions, adhesive, bowel, bowels, duodenal, gastric, gastroenterology, gi, hepat, infected, infection, infections, infectious, intestine, intestines, liver, lumen, lumina, mucosa, perforation, peritonitis, serosa, stomach, stomachs, submucosa, tract, ulcer, ulcerated, ulceration, ulcerations, ulcers, widespread