1. According to the grading and staging of the lesion and the patient’s physical condition, decide whether to administer systemic chemotherapy.
2. Keep the fistula opening clean and unobstructed, observe whether the urine is cloudy and whether there is hematuria.
3. Drink more water to keep the urine volume adequate.
4. Eat less and more meals, easy to digest food, keep the stool open and avoid intestinal obstruction.
5. Replace the ureteral stent tube in three months, and the time can be shortened according to the situation.
6. Regular review of chest X-ray, ultrasound, CT, biochemical full.