The Alb levels on admission were significantly lower in the patients with gastrointestinal tract cancer than in those with hepato-biliary-pancreas cancer, indicating the importance of understanding, evaluating, and managing nutritional state for patients with gastrointestinal tract cancer, especially patients with terminal-stage gastrointestinal cancer, who tend to suffer from malnutrition from the time of admission. The gene discussed is ALB; the disease is digestive system cancer.