HEALTH PROFESSIONAL · SOURCE READING

Stages I, II, and III HER2-Positive Breast Cancer

Source: Breast Cancer Treatment (PDQ®)–Health Professional Version, National Cancer Institute.

Source updated: April 25, 2025 · Captured 2026-09-09.

Selected source text with whitespace normalised. This Triangle page is not an NCI PDQ summary.

Context: Systemic Therapy for Stages I, II, and III Breast Cancer

Patients with HER2-positive breast cancer who are also hormone receptor–positive receive hormone therapy as described in the Stages I, II, and III HER2-Negative Hormone Receptor–Positive Breast Cancer section.

Source links and citations

Stages I, II, and III HER2-Negative Hormone Receptor–Positive Breast Cancer

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Preoperative therapy for HER2-positive breast cancer →Postoperative therapy for HER2-positive breast cancer →Node-negative, small, HER2-positive breast cancer →

Preserved source evidence · Not medical advice