Large rectal cross section might be more than distention.
Petersen
John
J
D006801:Humans; D008297:Male; D017430:Prostate-Specific Antigen / Q000097:blood*; D011471:Prostatic Neoplasms / Q000097:blood / Q000000981:diagnostic imaging / Q000532:radiotherapy*; D011832:Radiation Injuries / Q000150:complications; D011859:Radiography; D011880:Radiotherapy Planning, Computer-Assisted; D020266:Radiotherapy, Conformal; D012007:Rectum / Q000000981:diagnostic imaging / Q000473:pathology; D017211:Treatment Failure
D017430:Prostate-Specific Antigen