Herniation of the stomach presenting as a diverticulum.
D003937:Diagnosis, Differential; D013273:Diverticulum, Stomach / Q000000981:diagnostic imaging*; D004943:Esophagogastric Junction / Q000000981:diagnostic imaging; D006547:Hernia / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013272:Stomach Diseases / Q000000981:diagnostic imaging*