PTPN11-Related Noonan Syndrome Predisposes to Multifocal Low-Grade CNS Tumors Harboring FGFR1 Variants. - Kohanbash G; Ryall S; Gary SE; Hoffman LM; Siddaway R; Bendel AE; Gripp KW; Walter AW; Hansford JR; Smith AA; Wang H; Skaugen JM; et al. (Research square, 2026)