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. 2019 Mar 4;17:70. doi: 10.1186/s12967-019-1824-4

Fig. 1.

Fig. 1

The workflow of construction and validation of the immune signature. The signature consisted of 30 immune related genes in LUAD which was constructed and validated using expression data from the TCGA database (training dataset) and the GEO database (four testing datasets). TCGA The Cancer Genome Atlas, LUAD lung adenocarcinoma