CXCL9 expression was also assessed since CXLC9 has been described as one of the chemokine reflecting the most the IFN pathway activation and has also been suggested as a predictor of ICI response.51 Similarly to PD-L1 expression, we did find an upregulated CXCL9 expression in the NSCLC cell line with SMARCA4 knockdown with/without IFNG stimulation, whereas there was no difference seen in the thoracic fibroblast cell line. This evidence concerns the gene CXCL9 and non-small cell lung carcinoma.