PDGFRA and cancer: Notably, univariate analysis identified PDGFRA pathway CN gain as a risk factor for poor OS in the following six cancer types: ACC (P < 0.05), KIRC (P < 0.01), LUAD (P < 0.05), SARC (P < 0.05), SKCM (P < 0.05), and UCEC (P < 0.001) (Fig. 1D).