[Contribution to the study of the radiological picture of some changes of the lower esophageal third with special reference to tumors].
D004938:Esophageal Neoplasms; D004947:Esophagus / Q000000981:diagnostic imaging*; D006801:Humans; D009369:Neoplasms; D011859:Radiography; D011871:Radiology
ESOPHAGUS/neoplasms; ESOPHAGUS/radiography