• Age ≥18 years old and autonomous

• Patient understanding national language well and able to understand the protocol.

• Patient information and informed consent signature before the start of the study

• Patients under surveillance of Non-muscle invasive bladder cancer (NMIBC) at high and very high risk of progression, whatever the stage on the basis of a histological result. The diagnosis (primary or recurrence) should be less than or equal to 24 months (the last histology result confirming a bladder cancer with high or very high risk of recurrence is taken into account).