History of low grade, noninvasive urothelial carcinoma of the bladder with a new recurrence that meets the following criteria:

total tumor burden ≤3cm in size (multiple lesions permitted)

low grade appearance (grade 1 or grade 2)

noninvasive appearance (Ta)

no history of carcinoma in situ (CIS) or lesions concerning for CIS

negative urine cytology (atypical or suspicious for low grade neoplasm are acceptable)

Observation Versus Immediate Surgery of Low Risk Bladder Cancer