AUSTIN, Texas--(BUSINESS WIRE)--Natera, Inc. (NASDAQ: NTRA), a global leader in cell-free DNA (cfDNA) testing, today announced that new data on its personalized and tumor-informed molecular residual disease (MRD) test, Signatera, will be presented at the American Society of Clinical Oncology's 2023 Gastrointestinal Cancers Symposium (ASCO GI), taking place January 19...