CDKN1A and glioblastoma: Some of the tumor suppressor genes with an increase of selection upon CNA gain included CDKN1A in LIHC, PPP2R1A in UCEC, ATRX in NSCLC, NSD1 in GBM, B2M in MALY, TP53 in OS, and others (FDR ≤ 25%, listed in Fig. 4c, Supplementary Fig. S7b).