Table 1 illustrates statistically significant variations in Age, Prolonged bed rest, stage, KPS scores, Pain medication use, NRS-2002 scores, BMI, RBC, WBC, HGB, ALB, PAB, ALT, Urea, NLR, SII index, PLR, PNI between patients with malnutrition and well-nourished patients (p < 0.05). The gene discussed is CYGB; the disease is nutritional deficiency disease.