Table II.
Distribution of the postsurgical histopathological results according to the B3-lesion subgroups.
| Lesion | DCIS | Invasive ductal cancer | Grade 3 LIN | Invasive lobular cancer | Number of lesions (%) |
|---|---|---|---|---|---|
| LIN | 2 | 0 | 2 | 1 | 5/17 (29) |
| ADH | 7 | 2 | 1 | 0 | 10/32 (31) |
| PL | 2 | 0 | 0 | 0 | 2/24 (8) |
| FEA | 1 | 1 | 0 | 0 | 2/14 (14) |
| RS | 3 | 1 | 0 | 0 | 4/15 (27) |
| PT | 0 | 0 | 0 | 0 | 0/2 |
| Total | 15 | 4 | 3 | 1 | 23/104 (22) |
DCIS, ductal carcinoma in situ; PPV, positive predictive value; LIN, lobular intraepithelial neoplasia; ADH, atypical ductal hyperplasia; PL, papillary lesion; FEA, flat epithelial atypia; RS, radial scar; PT, phyllodes tumor.