the serum levels of three new tumour markers defined by monoclonal antibodies , ca 19-9 , ca 50 and ca 125 , were analysed and compared with carcinoembryonic antigen ( cea ) in samples from 91 patients with pancreatic cancer and from 111 patients with benign pancreatic , biliary tract and hepatocellular diseases .
C0235974
pancreatic cancer
C0030274
pancreatic