Skip to main content
. 2021 Nov 1;23(12):1204–1212. doi: 10.1016/j.neo.2021.10.001
Proportions of tumor cells or tumor infiltrating lymphocytes that express PD-L1 (p) Tumor type
p < 1% PD-L1 negative
1% ≤ p < 50% PD-L1 low expression
50% ≤ p ≤ 100% PD-L1 high expression