Breast cancer affects approximately 12% women worldwide and results in 14% of all cancer-
related fatalities. Breast cancer is commonly categorized into one of four main subtypes …

Breast cancer is a heterogeneous disease, divisible into a variable number of clinical
subtypes. A fundamental question is how many etiological classes underlie the clinical …

Importance African Americans have the highest breast cancer mortality rate. Although racial
difference in the distribution of intrinsic subtypes of breast cancer is known, it is unclear if …

Purpose Compared with white women, black women experience a disproportionate burden
of aggressive breast cancer for reasons that remain unknown and understudied. In the first …

Background: We investigated the impact of breast cancer molecular subtypes and treatment
on survival in a cohort of medically insured women followed for more than 20 years …

Introduction The aim of this study was to describe breast tumor subtypes by common breast
cancer risk factors and to determine correlates of subtypes using baseline data from two …

Background Associations between reproductive factors and breast cancer (BC) risk vary by
molecular subtype (ie, luminal A, luminal B, HER2, and triple negative/basal-like [TNBC]). In …

Breast cancer (BC) in the Asia Pacific regions is enriched in younger patients and rapidly
rising in incidence yet its molecular bases remain poorly characterized. Here we analyze the …

Triple-negative breast cancer (TNBC)(estrogen receptor-negative, progesterone receptor-
negative, and HER2-negative) is viewed as an aggressive subgroup of breast cancer …

Purpose. Breast cancer (BC) is a disease of aging and the number of older BC patients in
the US is rising. Immunohistochemical data show that with increasing age, the incidence of …