Breast cancer
Systemic therapy for HER2-positive early breast cancerDarlene (43 years old)
Darlene is a 43-year-old architect and goes on a city trip every 2 to 3 months to get inspired by the typical architecture of different countries. She felt a palpable mass in the right breast and palpable axillary lymph nodes and was diagnosed with breast cancer.
Assessment summary
- Premenopausal
- No family history of breast or ovarian cancer
- No comorbidities
- ECOG PS: 0
- Tumour size: cT2 (39 mm), lymph node status: cN2
- Tumour biology: ER 70%, PgR 15%, HER2 IHC 3+, Ki67 30%, G3
- CT scan chest/abdomen and bone scan: cM0
- Patient refused neoadjuvant systemic therapy and insisted on primary surgery
- Mastectomy + ALND
- pT2 (43 mm), pN3a (10/17), R0, LVI
- Adjuvant systemic therapy and radiation therapy
- 4x EC, followed by 12x paclitaxel + trastuzumab + pertuzumab for 1 year
- Reconstructive surgery