Carcinomatous meningitis.
D000230:Adenocarcinoma / Q000473:pathology / Q000556:secondary*; D002272:Carcinoembryonic Antigen / Q000032:analysis; D006801:Humans; D008297:Male; D008577:Meningeal Neoplasms / Q000473:pathology / Q000556:secondary*; D008875:Middle Aged; D012811:Sigmoid Neoplasms
D002272:Carcinoembryonic Antigen