Sentinel Lymph Node Biopsy for Patients With Early-Stage Breast Cancer: American Society of Clinical Oncology Clinical Practice Guideline Update

This is a clinical practice guideline for patients with early-stage breast cancer. The guideline provides recommendations regarding the use of sentinel node biopsy (SNB) for determining the extent to which patients’ breast cancer has spread. Outcomes of interest include when to use SNB, and potential benefits and harms associated with SNB.