Fig. 6From: Computer-assisted tumor grading, validation of PD-L1 scoring, and quantification of CD8-positive immune cell density in urothelial carcinoma, a visual guide for pathologists using QuPathOriginal IHC staining for Core #119 showing CD8 in low power (A) and colored by the software (red is positive and blue is negative, B), and a high-power region (C and D). Panels E, F, G and H are from teh same core stained with PD-L1 (the color outputs are blue for negative, yellow for weak positivity, orange for moderate positivity and red for strong positivity). These scores are used in calculator the H-scoreBack to article page