Cheng Zhang, MD, PhD

Department of Gastrointestinal Oncology, Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Peking University Cancer Hospital & Institute Beijing 100142, P. R. China, China (People's Republic)

Poster(s):

• (P 46) CIRCULATING TUMOR DNA (CTDNA) ANALYSES AND RESISTANCE MECHANISMS EXPLORATION OF KIT-MUTANT GASTROINTESTINAL STROMAL TUMORS (GISTS) TREATED WITH AVAPRITINIB OR RIPRETINB