Involvement of the sacrum by recurrent carcinoma of the rectum.
D002277:Carcinoma / Q000000981:diagnostic imaging*; D006801:Humans; D009364:Neoplasm Recurrence, Local; D009369:Neoplasms; D011859:Radiography; D012004:Rectal Neoplasms; D012007:Rectum; D012447:Sacrum
CARCINOMA/radiography; RECTUM/neoplasms; SACRUM/neoplasms