PIK3C3 and neoplasm: Tumor-specific mutations included a promoter mutation in TERT (C.-124C>T, AF 22.07%) and missense mutations in CDKN1A (c.463C>T, p.R155C, AF 7.18%), HDAC9 (c.1335C>A, p.N445K, AF 11.41%), NCOR1 (c.2168C>A, p.P723Q, AF 2.98%), PIK3C3 (c.2183G>C, p.S728T, AF 25.81%), TNFRSF11A (c.301G>A, p.V101M, AF 25.00%), and ZNF217 (c.1333T>A, p.S445T, AF 2.02%).