ALB and osteosarcoma: In addition to inflammatory markers such as NLR and LMR, other prognostic factors that represent or reflect the nutritional or immune status of patients have also been confirmed by various studies to be key factors in predicting the survival rate of other malignancies, such as osteosarcoma, including prognostic nutritional index (PNI), albumin, cholesterol, controlled nutritional status (CONUT) score, systemic immune inflammation index (SII), etc (16–20).