Sonography of exophytic gastrointestinal leiomyosarcoma.
D000368:Aged; D004379:Duodenal Neoplasms / Q000175:diagnosis; D005770:Gastrointestinal Neoplasms / Q000175:diagnosis*; D006801:Humans; D007580:Jejunal Neoplasms / Q000175:diagnosis; D007890:Leiomyosarcoma / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000175:diagnosis; D014463:Ultrasonography