SensiStain Anti-CEA Antibody is validated for the detection of CEA (Carcinoembryonic antigen) which can be found in low levels in normal human adult blood. It is an effective marker for adenocarcinomas of the lung, colon, stomach, esophagus, pancreas, gallbadder, urachus, salivary gland, ovary, and endocervix as CEA blood level increases. CEA staining can be performed along with with the markers Calretinin, CK 5/6, D2-40, HBME-1, Napsin A, MOC-31, and Ber-EP4 to help differentiate between adenocarcinoma and mesothelioma.