PTK2 and breast cancer: The association between EC-pY397-FAK, TC-pY397-FAK protein expression levels, and BVD and clinicopathologic parameters, response to chemotherapy (pathologic complete response), and relapse-free survival were evaluated in the prechemotherapy core biopsies from 82 women (age, 29-76 years) with locally advanced breast cancer (stage IIA-IIIC), who were treated with anthracycline neoadjuvant chemotherapy at the Nottingham City Hospital.