Here, we report a 60-year-old Chinese woman...Among them, the germline BRCA2 c.1670T>A mutation was discovered for the first time...These observations suggested that Olaparib treatment successfully controlled the tumor development...In conclusion, our study reported for the first time that UC patients with BRCA2 pathogenic germline mutations responded well to PARPi, indicating that Olaparib can be used in the treatment of UC...