Atlas One · Host Biology · Scale 07 — System

Breast Cancer

Most common cancer in women; driven by ER/PR hormone signaling, HER2 amplification, and basal TNBC subtypes. BRCA1/2 mutations drive hereditary cases; CDK4/6 inhibitors (palbociclib), anti-HER2 (trastuzumab), PARP inhibitors (olaparib), and immunotherapy are mainstays.

Also known as: breast carcinoma, HR+ breast cancer, HER2+ breast cancer, TNBC, triple-negative breast cancer, luminal A, luminal B, invasive ductal carcinoma, invasive lobular carcinoma, DCIS

Scale 07 — SystemScale
draftStatus
2026-06-06Last Reviewed
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breast-cancer

Breast Cancer

Most common cancer in women; driven by ER/PR hormone signaling, HER2 amplification, and basal TNBC subtypes. BRCA1/2 mutations drive hereditary cases; CDK4/6 inhibitors (palbociclib), anti-HER2 (trastuzumab), PARP inhibitors (olaparib), and immunotherapy are mainstays.