sentence: A recent study has shown that MST1 overexpression inhibit the growth of NSCLC A549 cells both in vitro and in vivo.37 Apart from identifying novel fusions of ALK and RET ( i.e ., SMG6 ‐ ALK and JMJD1C ‐ RET ) , we also found that the prevalence of EML4 ‐ ALK in young LUAD patients was significantly higher than that in older ones regardless of the smoking status .