Outcomes of special histotypes of breast cancer after adjuvant endocrine therapy with letrozole or tamoxifen in the monotherapy cohort of the BIG 1-98 trial

Munzone E, Colleoni M, Goldhirsch A, Coates A, Gelber R, Price K, Lelkaitis G, Bibeau F, Macgrogan G, Ejlertsen B, Thürlimann B, Viale G, Mallon E, Gusterson B, Giobbie-Hurder A, International Breast Cancer Study Group and the BIG 1-98 Collaborative Group. Outcomes of special histotypes of breast cancer after adjuvant endocrine therapy with letrozole or tamoxifen in the monotherapy cohort of the BIG 1-98 trial. Ann Oncol 2015