ALB and cancer: Some commonly used inflammatory nutritional biomarkers have been found, such as the albumin/globulin ratio (AGR), the prognostic nutritional index (PNI), the systemic immune-inflammation index (SII), the neutrophil–lymphocyte ratio (NLR), and the platelet–lymphocyte ratio (PLR), which can predict the prognosis of cancer patients [4,5,6].