The prevalence of luminal B subtype is higher in older postmenopausal women with ER+/HER2- breast cancer and is associated with inferior outcomes.
Mills M, Liveringhouse C, Lee F, Nanda RH, Ahmed KA, Washington IR, Thapa R, Fridley BL, Blumencranz P, Extermann M, Loftus L, Balducci L, Diaz R. The prevalence of luminal B subtype is higher in older postmenopausal women with ER+/HER2- breast cancer and is associated with inferior outcomes. J Geriatr Oncol. 2021 03; 12(2):219-226.