354 Lenvatinib and pembrolizumab in advanced endometrial carcinoma (EC): long-term efficacy and safety update from a phase 1b/2 study oleh Emmett Schmidt, Matthew Taylor, Allen Cohn, Corina Dutcus, Marcia Brose, Robert Orlowski, Jie Huang, Carol Aghajanian, Margarita Romeo, Raquel Bratos, Mark Messing, Lea Dutta