Submucosal esophagography for esophageal cancer.
D000818:Animals; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D004947:Esophagus / Q000000981:diagnostic imaging*; D006801:Humans; D009361:Neoplasm Invasiveness; D011817:Rabbits; D011859:Radiography