[Intracavitary ultrasonic diagnosis of rectal cancer].
D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D020700:Proctoscopes; D012004:Rectal Neoplasms / Q000175:diagnosis*; D014463:Ultrasonography / Q000295:instrumentation*
Vnutripolostnaia ul'trazvukovaia diagnostika raka priamoĭ kishki.