we conclude that the epithelial cells detected in the bone marrow of the patients with breast carcinoma were carcinoma cells based on the following criteria : ( a ) they expressed both membrane and cytoplasmic epithelia-specific antigens , ( b ) they possessed the cytologic characteristics of malignant epithelial cells , and ( c ) these cells were not detected in the bone marrow from normal individuals or patients with nonepithelial neoplasms involving the bone marrow .
C0010834
cytoplasmic
C0007634
cells