umls-concept:C0007082 | skos:definition | MSH: A glycoprotein that is secreted into the luminal surface of the epithelia in the gastrointestinal tract. It is found in the feces and pancreaticobiliary secretions and is used to monitor the response to colon cancer treatment.,CSP: cancer specific antigen of colon carcinoma, also present in adenocarinomas of endodermal origin and in human embryonic gastrointestinal tissue.,CHV: a substance often found in a person with cancer,NCI: A substance that is sometimes found in an increased amount in the blood of people who have certain cancers, other diseases, or who smoke. It is used as a tumor marker for colorectal cancer.,NCI: A cancer-specific antigen associated with both tumors and the developing fetus. The main use of this antigen is as a tumor marker, especially with respect to intestinal cancers. Production of the antigen ceases shortly before birth, but may reappear in people who develop certain types of cancer.,NCI: An antigen that is secreted onto the luminal surface of gastrointestinal epithelia and i | lld:umls |