Table 2.

Nipple lesions observed clinically, grossly, and microscopically

Lesion	Clinical	Gross	Microscopic
Total no.	7	21	75
Mammary Paget disease	7 (100%)	12 (57%)	25 (33%)
DCIS	0	1 (4.5%)	17 (23%)
IDC	0	5 (24%)	15 (20%)
LCIS	0	2 (10%)	11 (15%)
Lymphatic involvement	0	1 (4.5%)a	4 (5%)
ILC	0	0	3 (4%)

^aIn this case, the tumor was 3.8 cm, grossly abutting the NAC; thus, it was grossly noted as NAC involvement. Under the microscope, the only finding from the two sections (perpendicular sections of the nipple and the shaved section of areolar) was lymphovascular invasion