in addition to cellular atypism , the following histological findings were thought to be important criteria for the diagnosis of carcinomas : ( 1 ) capsular invasion , ( 2 ) infiltration into adjacent organs , ( 3 ) proliferation of atypical cells within fibrous tissues and chondroid matrix in the area of pleomorphic adenoma , ( 4 ) vascular involvement , and ( 5 ) mitotic figures .
C0007634
cells
C0026277
pleomorphic adenoma