Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Changes of ER, PR, and HER2 status in primary lesions and brain metastases of breast cancer.
| Pos–neg (%) | Neg–pos (%) | Total (%) | |
|---|---|---|---|
| ER (n = 27) | 1 (3.7) | 2 (7.4) | 3 (11.1) |
| PR (n = 27) | 5 (18.5) | 3 (11.1) | 8 (29.6) |
| HER2 (n = 27) | 1 (3.7) | 0 (0) | 1 (3.7) |
Pos, positive; Neg, negative.
