IGF1R and breast cancer: Aberrations of fibroblast growth factor receptors (FGFRs), c-Met, and insulin-like growth factor 1 receptor (IGF1R) are frequently found in urothelial carcinoma (Cancer Genome Atlas Research Network, 2014a; Helsten et al., 2016), hepatocellular carcinoma (HCC) (Park et al., 1999; Cancer Genome Atlas Research Network, 2017) and breast cancer (Cancer Genome Atlas Network, 2012; Farabaugh et al., 2015), respectively.