three tumor antigens , tag-72 , carcinoembryonic antigen and a 90 kd antigen , recognized by monoclonal antibodies ( mabs ) b72.3 , b1.1 and b6.2 , respectively , are differentially expressed on the surface of four human breast carcinoma cell lines .
C0003335
tumor antigens
C0007082
carcinoembryonic antigen