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Article

Breastfeeding, PAM50 tumor subtype, and breast cancer prognosis and survival.

Journal of the National Cancer Institute - 1 Jul 2015

Kwan Marilyn L, Bernard Philip S, Kroenke Candyce H, Factor Rachel E, Habel Laurel A, Weltzien Erin K, Castillo Adrienne, Gunderson Erica P, Maxfield Kaylynn S, Stijleman Inge J, Langholz Bryan M, Quesenberry Charles P, Kushi Lawrence H, Sweeney Carol, Caan Bette J

Abstract excerpt

BACKGROUND: Breastfeeding is associated with decreased breast cancer risk, yet associations with prognosis and survival by tumor subtype are largely unknown. METHODS: We conducted a cohort study of 1636 women from two prospective breast cancer cohorts. Intrinsic tumor subtype (luminal A, luminal B, human epidermal growth factor receptor 2 [HER2]-enriched, basal-like) was determined by the PAM50 gene expression...

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Identifiers

PMID: 25921910
DOI: 10.1093/jnci/djv087
PMCID: PMC4554253

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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