pS2 negativity in postmenopausal women with ER+PgR+ infiltrating ductal breast carcinoma is associated with reduced hormone dependence and increased proliferation and aneuploidy of the tumors [1]

1. Ruibal, A.
2. Schneider, J.
3. Del Rio, M.C.
4. Arias, J.
5. Nunez, M.J.
6. Piqueras, V.
7. Tejerina, A.