MYCN and cancer: Notably, genomic and proteomic features associated with Myc and the proximal Myc network (PMN) across more than 30 kinds of cancers in The Cancer Genome Atlas (TCGA) database has recently identified that 28% of all tumor samples have the genetic abnormalities in at least one of the Myc family composed of c-Myc, N-Myc, and L-Myc [16].