2.2. Inclusion and Exclusion Criter

2.2. Inclusion and Exclusion CriteriaInclusion criteria: (1) patients whose ages were in 18–80 years; (2) patients who agreed to join in this research with themselves and their families; (3) patientswho were diagnosed with gastric cancer after gastroscopy;(4) patients who had not previously received anti-tumortreatments.Exclusion criteria: (1) patients with gastric cancer whohave reached the terminal stage and their survival timeis less than 3 months; (2) patients with abnormal mentalstatus and poor coordination; (3) patients with cancer cellsthat have metastasized to other organs; (4) patients withsevere organ damage such as heart, liver, kidney, lung,etc.; (5) patients with severe lesions in the blood system,immune system, and circulatory system.