Carcinoembryonic Antigen (CEA) Test

The Carcinoembryonic Antigen (CEA) test is used to determine how well a particular treatment works in certain types of cancer, particularly colon cancer. Carcinoembryonic Antigen (CEA) is a set of glycoproteins involved in cell adhesion (the ability of a body cell to stick to other cells). It is a substance through which doctors can detect a tumour in the patient’s body.