They need to hunt for clues. One way they can do that is with a carcinoembryonic antigen test. It measures a protein called CEA in the blood. People with some types of cancers have higher than ...

such as bile cytology and bile carcinoembryonic antigen (CEA) levels, and dual phase CT or magnetic resonance (MR) sequences should be obtained before a confident diagnosis is made. [14] To ...

EVEREST-1 (NCT05736731) evaluates A2B530, targeting carcinoembryonic antigen (CEA) for pancreatic, lung, and colorectal ...