Novel Postneoadjuvant Prognostic Breast Cancer Staging System.

Winchester DJ, Singh L, Edge SB, Allison KH, Barlow WE, Bossuyt V, Chavez-MacGregor M, Conant EF, Connolly JL, De Los Santos JF, Hayes DF, Hylton NM, Mittendorf EA, Plichta JK, Provenzano E, Salerno KE, Sharma P, Symmans WF, Weaver D, Hortobagyi GN, Member of the Ninth Edition AJCC Neoadjuvant Breast Expert Panel