RecruitingPhase 2Drug trialAtezolizumab Plus Etoposide and Platinum in Small Cell Bladder CancerThis is a single arm, Phase II trial involving the use of atezolizumab plus platinum and etoposide for patients with locally advanced urothelial cancer. The primary goal of this trial is to assess the pathologic complete response rate at cystectomy in patients after being treated with a combination therapy of atezolizumab, platinum, and etoposide.