Table 3.

Histologies of the masses in the test and comparison groups

Histology	Test group (n = 1007)	Comparison group (n = 683)
Fibrocystic breast disease	320	195
Fibroadenoma	179	121
Adenosis	135	80
Inflammatory lesions	37	25
Proliferative breast lesions	17	12
Benign phyllodes tumor	7	7
Cyst	7	7
Intraductal papilloma	6	3
Benign (not further specified)	80	43
Nonspecific invasive carcinoma	172	151
Ductal carcinoma in situ	26	23
Invasive lobular carcinoma	8	7
Mucinous carcinoma	5	4
Intraductal papillary carcinoma	4	2
Lymphoma	2	2
Paget’s disease	1	1
Solid papillary carcinoma	1	0