STAT3 and neoplasm: Particular attention should be focused on STAT3 and its effect on the activation of NK cells and cytotoxicity against cervical tumour cells, as well as the search for more tumour-associated antigens for the generation of CAR-NKs and the implementation of Cas9 RNP to reactivate silenced relevant genes in the cytotoxicity of NK cells against cervical tumour cells [98,100,101].