The use of a half-inch barium pill to detect carcinoma at the cardia of the stomach.
D001464:Barium; D002277:Carcinoma; D002299:Cardia; D006801:Humans; D011859:Radiography; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging*
D001464:Barium
BARIUM; STOMACH NEOPLASMS/radiography