Table 1. Tumor types confirmed by pathological examination.

Benign	Malignant
FAs (n = 17, 11.8±3.1 mm)	IDC (n = 27, 37.3±22.8 mm)
FC (n = 9, 9.6±2.3 mm)	DCIS (n = 21, 29.0±9.0 mm)
Cysts (n = 16, 12.1±3.9 mm)	ILC (n = 23, 37.8±21.1 mm)
	LCIS (n = 11, 39.8±25.7 mm)

Note. – FC  =  fibrocystic changes; FAs  =  fibroadenomas;

DCIS  =  ductal carcinomas in situ; IDC  =  infiltrating ductal carcinomas;

LCIS  =  lobular carcinoma in situ; ILC  =  infiltrating lobular carcinoma.