CD274 and neoplasm: Pathology relied on H&E and IHC on FFPE using an automated stainer (Roche BenchMark XT) with the following antibodies: Vimentin (Fuzhou Maixin kit-0019), CD31 (MAB-0720), CD34 (MAB-1076), ERG (Thermo Fisher MA5-32036), IN1(Abmart Q12824), Ki-67 (MAB-0672), and PD-L1 (VENTANA SP263); the Ki-67 index and PD-L1 tumor proportion score were reported.