in the epithelial cells of malignant tumours of cytological grade 2 of the broders grading system , which are of the highly differentiated and border-line types , the simultaneous presence of estradiol and testosterone is more frequent ( 4/5 and 6/9 ) than in poorly differentiated tumours of grades 3 and 4 ( 4/17 ) .
C0007634
cells
C0007589
differentiated