Rectal carcinoma associated with glioblastoma multiforme of the brain.
D000293:Adolescent; D000367:Age Factors; D001932:Brain Neoplasms / Q000150:complications*; D005909:Glioblastoma / Q000150:complications*; D006801:Humans; D007417:Intestinal Polyps / Q000150:complications*; D008297:Male; D009378:Neoplasms, Multiple Primary; D012004:Rectal Neoplasms / Q000150:complications*