cells obtained from the effusions were examined following routine staining by the papanicolaou method and immunocytochemical staining to determine the presence of tissue specific antigens , i.e . common leucocyte antigen ( cla ) , cytokeratins ( cam 5.2 , ae1 ) , a determinant of the human milk fat globule ( hmfg2 ) and carcinoembryonic antigen ( cea ) .
C0086418
human
C0007082
carcinoembryonic antigen