Why do gastric cancer patients need regular review after surgery? 1.To observe the general condition of the patient and whether the patient has recurrence. 2. Various physiological functional changes of gastrointestinal system may occur after gastric cancer surgery, such as bile reflux gastritis, digestive and absorption disorders, malnutrition, anemia, hypoglycemia and other various complications, and it is very important to diagnose and deal with these complications in time to reduce patients’ pain. When should gastric cancer patients be reviewed after surgery? Once every 3 months within 2 years after surgery, once every 6 months from the 3rd to 5th year, and once every year after 5 years. What items should be reviewed after surgery for gastric cancer patients? The main items for review include: blood test, clinical physical examination, chest radiography, abdominal ultrasound or CT examination, and gastroscopy once a year.