Immunohistochemistry
tumor
TUMOR
IHC was performed retrospectively in batch during the course of the iMATRIX-atezo clinical trial on patient tumor tissue samples at Ventana for PD-L1 (CD3 (clone 2GV6, Ventana cat. no. 790-4341, supplied at the proper concentration in a ready-to-use dispenser), CD8 (clone C8/144B, DAKO cat. no. M7103, diluted 1:75 to 2.1 µg ml