Nadeem Bilani, MD, Mount Sinai Morningside, New York, NY, provides an overview of recent updates in breast cancer presented at the San Antonio Breast Cancer Symposium (2021) hybrid meeting, including the evaluation of novel antibody-drug conjugates, as well as further updates on the use of immunotherapy in breast cancer. This interview took place at the San Antonio Breast Cancer Symposium 2021 in San Antonio.