consequently , presence and distribution of hormones , steroid hormone receptors ( e.g. , in mammary carcinomas ) , blood group antigens ( e.g. , in diverse carcinomas ) , and cytoskeletal components , particularly intermediate filament-associated proteins ( e.g. , in neoplasms of diverse origin ) , can indicate heterogeneity within a tumor .
C0010853
cytoskeletal
C0021769
intermediate filament