Imaging techniques for detection and extent determination of cancer of the esophagus, stomach and colon.
D003110:Colonic Neoplasms / Q000000981:diagnostic imaging*; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D008722:Methods; D011859:Radiography; D013274:Stomach Neoplasms / Q000000981:diagnostic imaging*