the ultrastructural analysis of the three main histological forms ( adenocarcinoma , scirrhous carcinoma , and solid carcinoma ) of infiltrative mammary gland carcinomas with regard to the histological grades of malignancy ( i , ii , iii ) has revealed that with the increase of the histological grade of malignancy the number of ultrastructurally differentiated cells decreased .
C0678222
mammary gland carcinomas
C0006826
malignancy