Uterine Leiomyosarcomas Harboring MAP2K4 Gene Amplification Are Markedly Sensitive in Vivo to PLX8725, a Novel MAP2K4 Inhibitor (1315)Blair McNamara,Justin Harold,Diego Manavella,Stefania Bellone,Levent Mutlu,Tobias Hartwich,Margherita Zipponi, Yang,Cem Demirkiran,Miguel Skyler Verzosa,Jungmin Choi,Weilai Dong,Natalia Buza,Pei Hui,Gary Altwerger,Gloria Huang,Vaagn Andikyan,Mitchell Clark,Elena Ratner,Masoud Azodi