Response to neoadjuvant chemotherapy and the 21-gene Breast Recurrence Score test in young women with estrogen receptor-positive early breast cancer

Tal Sella, Shari Gelber, Philip D. Poorvu, Hee-Jeong Kim, Laura S. Dominici, Yaileen D. Guzmán‐Arocho, Laura C. Collins, Kathryn J. Ruddy, Rulla M. Tamimi, Jeffrey Peppercorn, Lidia Schapira, Virginia F. Borges, Steven E. Come, Ellen Warner, Craig Snow, Debbie Jakubowski, Christy Russell, Eric P. Winer, Shoshana M. Rosenberg, Ann H. Partridge