Abstract
Bladder cancer is the sixth most common cancer in the United States, with an estimated 81,400 new cases in 2020. Although bladder cancer has 4 stages, for systemic treatment we recognize 3 clinical stages: non-muscle-invasive bladder cancer (NMIBC), muscle-invasive bladder cancer (MIBC), and locally advanced/metastatic urothelial carcinoma (mUC). Approximately 70% to 80% of patients present with NMIBC at diagnosis and have an excellent 5-year overall survival (OS) of 69.2% to 95.8%.1 About 10% to 15% of patients present with MIBC at the time of diagnosis and have about a 50% chance of progressing to metastatic disease.2 mUC accounts for 10% to 15% of all bladder cancers at diagnosis, with a 5-year OS for patients of fewer than 10% with platinum-based chemotherapy.
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