SAN MATEO, Calif.--(BUSINESS WIRE)---- $SRRA #ASCO22--Sierra Oncology, Inc. (NASDAQ: SRRA), a late-stage biopharmaceutical company on a mission to deliver transformative therapies for rare cancers, today announced two abstracts have been accepted into the program for the Annual Meeting of the American Society of Clinical Oncology (ASCO) being held June 3-7,...