title: Taking aim at the genomic diversity of gastrointestinal cancers: a changing landscape.
authors.affiliation: Department of Hematology and Medical Oncology, Mayo Clinic, Phoenix, AZ, USA.
authors.forename: Tanios
authors.initials: T
authors.lastname: Bekaii-Saab
authors.affiliation: Department of Hematology and Medical Oncology, Emory University, Atlanta, GA, USA.
authors.forename: Bassel
authors.initials: B
authors.lastname: El-Rayes