Internal medicine

Lymphovascular invasion

Cancer

Surgery

Oncology

Biopsy

Metastasis

Mastectomy

Lymph node

Axillary Lymph Node Dissection

Sentinel lymph node

Breast cancer

Cohort

Cumulative incidence

Radiation therapy

Medicine

International Journal of Radiation Oncology*Biology*Physics

To report outcomes for women with pT1-2N1M0 breast cancer undergoing mastectomy and sentinel lymph node biopsy (SLNB) without completion axillary dissection, and to investigate the effect of post-mastectomy radiation therapy (PMRT).

Impact of Post-Mastectomy Radiation Therapy in Women With T1-2N1M0 Breast Cancer With Sentinel Lymph Node Biopsy Alone