The use of EML4-ALK-derived peptides can stimulate specific CTL responses and have the potential to treat EML4-ALK-positive NSCLC.98 Therefore, the neoantigens generated by fusion mutations greatly increase the capacity of the tumor-specific neoantigen repertoire, providing more potential targets or predictors for cancer immunotherapies.8,78,81,88,96,99–101. This evidence concerns the gene ALK and cancer.