83P Evaluation of concordance between PD-L1 immunohistochemistry 28-8 and 22C3 pharmDx assays in metastatic urothelial carcinoma (mUC) in PIVOT-10Arlene O. Siefker‐Radtke, Robert Huddart, Yohann Loriot et al.|Annals of Oncology|2021Cited by 0