Expression of PD-L1 in invasive ductal carcinoma of the breast and its correlation with HER2/neu and Ki-67: a study from a tertiary care center
Background. Programmed death-ligand 1 (PD-L1) expression in breast carcinoma has gained increasing attention as a potential prognostic and predictive biomarker and as a marker relevant to immunotherapy. Aim. To evaluate PD-L1 expression in invasive ductal carcinoma (IDC) of the breast and its correlation with HER2/neu...