This 2022 review comprehensively examines the latest therapeutic developments for triple-negative breast cancer (TNBC), a highly aggressive and heterogeneous subtype lacking hormone receptors and HER2 expression. The article outlines current treatment paradigms including chemotherapy, and highlights advancements such as immune checkpoint inhibitors (e.g., pembrolizumab, atezolizumab) for PD-L1-positive TNBC and PARP
