ALB and breast cancer: The present study is designed to explore the associations between the prognostic nutritional index (PNI) score, hemoglobin-albumin-lymphocyte-platelet (HALP) score, and lymph node metastasis (LNM) in breast cancer patients.<h4>Methods</h4>A total of 799 breast cancer patients were enrolled in this retrospective study, and their clinical data were collected.