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. 2019 May 14;38:193. doi: 10.1186/s13046-019-1192-1

Fig. 1.

Fig. 1

Workflow diagram. TKIs: tyrosine kinase inhibitors; Platinum-based chemo: platinum-based chemotherapy; PD-L1: programmed cell death-ligand 1; IHC: Immunohistochemistry; NGS: Next-Generation Sequencing