ALK and neuroblastoma: In humans, the Aanaplastic Lymphoma inase (ALK) RTK is expressed in the central and peripheral nervous system and its role as an oncogene in the childhood cancer neuroblastoma, which arises from the peripheral nervous system, is well described (Iwahara et al., 1997; Matthay et al., 2016; Umapathy et al., 2019; Vernersson et al., 2006).