title: [Early radiographic diagnosis of esophageal neoplasms, with special reference to superficial non-protruding lesion].
mesh_terms: D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000000981:diagnostic imaging*; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013679:Technology, Radiologic