Avelumab first-line maintenance (1LM) is approved for patients with locally advanced or metastatic urothelial carcinoma (la/mUC) who do not have disease progression after platinum-based chemotherapy (PBC). This retrospective study describes real-world treatment patterns and clinical outcomes in patients with la/mUC who initiated first-line (1L) systemic treatments. including avelumab ... https://www.jalyttlers.shop/product-category/porcelain-house/