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Biomarkers

PD-L1 TPS

Also known as: PD-L1 expression, Tumor proportion score

Definition

Tumor Proportion Score measuring PD-L1 expression on tumor cells, used to select patients for immunotherapy.

Detailed Explanation

Higher PD-L1 TPS correlates with better response to PD-1/PD-L1 inhibitors in several cancers, guiding monotherapy versus combination approaches.