This study is being done to learn about urothelial cancers that make HER2 and how that affects treatment choices for participants with urothelial cancer. During this study, the medical and health records of participants will be reviewed to learn more about their health.
Participants will have urothelial cancer that has grown in the body near where it started (locally advanced) and cannot be removed (unresectable) or has spread through the body (metastatic).
A Retrospective Chart Review of Real-world Treatment Outcomes in Patients With Locally Advanced Unresectable or Metastatic Urothelial Cancer Based on HER2 Expression