Characteristics of ER, PR, HER2 and Ki67 Expression in Invasive Breast Cancer Patients at RSUP Dr. Wahidin Sudirohusodo, Makassar 2021-2023. Faculty of Medicine, Tadulako University, P-ISSN: 2407-8441 and e-ISSN 2502-0749. 2025;11(1):155-161. doi:10.22487/htj.v11i1.1589