Table 2.
Histologic subtype | No. of cases (%) | Immunohistochemistry (%) |
|
---|---|---|---|
Weak | Strong | ||
Adenocarcinoma in situ | 6 (2) | 6 (2) | 0 |
MIA | 15 (5) | 15 (5) | 0 |
Acinar-predominant | 137 (42) | 101 (30) | 36 (12) |
Papillary-predominant | 66 (20) | 52 (16) | 14 (4) |
Micropapillary-predominant | 18 (6) | 5 (2) | 13 (4) |
Solid-predominant | 83 (25) | 29 (9) | 54 (16) |
MIA = minimally invasive adenocarcinoma.