ocr: CEA (carcinoembryonic antigen) elevated in cancers of the colon, reçtum,: lung breast, and pancreas CAI 19-9 elevated in cancers of the colon, pancreas, stomach and lrver Alpha-letoprotein(ArP) elevated in prmary liver cancer and some cancers of the testis. BBOI is uE - * : Prostatic acid phosphatase (PAP) markedly elevated in: some cases ofprostate cancer 141 a - Serum protein adnormal. gamma globulin monoclonal. "spike") is found in multiple myeloma a