double immunofluorescence staining of frozen sections of melanoma metastases and immunoelectron microscopic double labelling of melanoma cell suspensions prepared from three of these lesions has detected three hla phenotypes on the large majority of melanoma cells : either both hla class i and class ii antigens , neither hla antigen or only hla class i antigens .
C0025202
metastases
C1513095
melanoma cell