Associations between CPS and TIC scoring methods, and potential correlations with efficacy, were investigated in patients with GEA from the tislelizumab first-in-human study….At a 17.4-month median follow-up, patients with TIC ≥5% or CPS ≥1 showed survival benefit. Inter-reader and -laboratory overall agreement for TIC ≥5% were 99% (95% CI, 98-100) and 96% (95% CI, 94-98), respectively...