By
Carolyn Henry, DVM, MS, DACVIM (Oncology), Professor of Oncology, Department of Veterinary Medicine and Surgery, College of Veterinary Medicine, and
Division of Hematology/Oncology, School of Medicine; Director, Tom and Betty Scott Endowed Program in Veterinary Oncology, University
of Missouri, Columbia, MO, USA
Mary Lynn Higginbotham, DVM, MS, DACVIM (Oncology), Assistant Professor, Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, Kansas