Sentinel Lymph Node Biopsy vs No Axillary Surgery in Patients With Small Breast Cancer and Negative Results on Ultrasonography of Axillary Lymph Nodes: The SOUND Randomized Clinical Trial. Gentilini OD, Botteri E, Sangalli C, et al. JAMA Oncol. 2023 Nov 1;9(11):1557-1564. DOI: 10.1001/jamaoncol.2023…