Cryoablation Versus BCG Instillation Therapy for High-risk NMIBC

Using an intracavitary cryoablation balloon, cryoablation is performed on the wound surface after tumor resection. The wound surface is frozen for 2 rounds, with each round lasting 3 minutes, to fully cover the wound surface.

Resection of bladder tumor using resectoscopy, which is a standard procedure to treat non-muscle invasive bladder cancer

Bacillus Calmette-Guerin instillation of bladder after surgery according to the NCCN bladder cancer guidelines. At least 6 weeks induction instillation is required for high-risk NMIBC patients. At least 1 year maintenance instillation is recommended.