How is tx and prognosis of Ta low grade urothelial cancer?

Since 3 years, this is no more considered a malignant tumor, but a benign lesion {low malignant potential urothelial cancer} It is a superficial, low-grade lesion with low recurrence rate. Patients diagnosed with low grade Ta can be cured after resection. But if the patient is heavy smoker, we must follow up him because of the presence of risk factor {smoking, exposure to toxins.} Bladder {urothelial} cancer, polyp, is multifocal cancer, so we must examine the whole bladder, one resection is not enough most of the time. Smoking is one of the causes of progression