ALB and nutritional deficiency disease: There was no homogeneity in malnutrition and/or cachexia definition: three studies relied solely on BMI [21,29,30], three used both BMI and serum Alb [19,25,28], one utilized the Nutritional Risk Screening 2002 (NRS-2002) questionnaire [26], and two applied the European Palliative Care Research Collaborative (EPCRC) criteria [27,31].