a pancreas cancer-associated antigen ( pcaa ) and a pancreas-specific antigen ( paa ) were simultaneously quantitated by enzyme-linked immunosorbent assays in serum specimens from 51 normal controls , 76 pancreatic cancers , 194 nonpancreatic cancers , and 22 benign pancreatic diseases .
C0346647
pancreatic cancers
C0030274
pancreatic