Sonographic features of gastrointestinal neoplasms.
D000008:Abdominal Neoplasms / Q000175:diagnosis; D004724:Endoscopy; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis*; D006801:Humans; D007414:Intestinal Neoplasms / Q000175:diagnosis; D013274:Stomach Neoplasms / Q000175:diagnosis; D014463:Ultrasonography