X-ray of the month.
D003937:Diagnosis, Differential; D005756:Gastritis / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging; D013276:Stomach Ulcer / Q000000981:diagnostic imaging*