NF1 and neurofibromatosis type 1: A study sequencing 151 genes in seven NF1 MPNSTs identified recurrent SNVs in NF1 (7/7), TP53 (2/7), ROS1 (2/7), and TYK2 (2/7).45 Multiple non-recurrent SNVs were found (e.g. EGFR, PDGFRA, RB1, FLT1/3/4, APC, ATRX, ALK, RAF1, SMARCB1, and ERBB4).