Compression of the duodenum by the superior mesenteric artery.
D000005:Abdomen; D001158:Arteries; D004194:Disease; D004378:Duodenal Diseases; D004386:Duodenum; D006801:Humans; D007422:Intestines; D008638:Mesenteric Arteries; D017538:Mesenteric Artery, Superior
ABDOMEN/diseases; ARTERIES, MESENTERIC/diseases; DUODENUM/diseases; INTESTINES