Figure S5 from EGFR Mutations and ALK Rearrangements Are Associated with Low Response Rates to PD-1 Pathway Blockade in Non–Small Cell Lung Cancer: A Retrospective Analysis

A-C): Images of autopsy specimens from an ALK-positive NSCLC patient, demonstrating heterogeneous expression of PD-L1 in multiple sections examined (Diffuse PD-L1 expression in A-B and focal PD-L1 expression in C).