Fig. 2
From: The frequency of high PD-L1 expression is low in lung adenocarcinoma patients from Northeast Brazil
PD-L1 TPS determined by IHC for lung adenocarcinoma patients (a) PD-L1 TPS for all 158 samples (b) PD-L1 TPS for the 16 samples expressing ALK. ALK: anaplastic lymphoma kinase, PD-L1: programmed cell death-ligand 1, TPS: tumor proportion score
