title: Primary Tumor Sidedness as Prognostic and Predictive Biomarker in Metastatic Colorectal Cancer: Further Validation of a Potentially Practice-Changing Variable.
authors.affiliation: Division of Medical Oncology, Department of Internal Medicine, The Ohio State University Comprehensive Cancer Center, Arthur G. James Cancer Hospital and Richard J. Solove Research Institute, Columbus.
authors.forename: Kristen K
authors.initials: KK
authors.lastname: Ciombor
authors.affiliation: Division of Medical Oncology, Department of Internal Medicine, The Ohio State University Comprehensive Cancer Center, Arthur G. James Cancer Hospital and Richard J. Solove Research Institute, Columbus.
authors.forename: Richard M
authors.initials: RM
authors.lastname: Goldberg