Fig. 2From: Emerging therapies for small cell lung cancerTargets and biomarkers for targeted therapy. DLL3, delta-like protein 3; PARP, poly (ADP-ribose) polymerase; PDL-1, programmed death ligand 1; PD1, programmed death 1; CTLA-4, cytotoxic T lymphocyte antigen-4; SLFN11, schlafen family member 11; TMB, tumor mutation burden; IHC, immunohistochemistry; NGS, next-generation sequencingBack to article page