Table 1: Histological classification of mammary lesions and their absolute and relative frequencies.

Histological classification %

Hyperplasias ( )
 Lobular hyperplasia 35.26
 Fibroadenomatous change915.80
Benign tumours ( )
 Simple adenoma 23.51
 Fibroadenoma 35.26
 Duct papilloma 11.75
Malignant tumours ( )
 Tubulopapillary carcinoma1831.58
 Solid carcinoma2035.09
 Cribriform carcinoma11.75