Book excerpt: In this issue of Veterinary Clinics: Small Animal Practice, guest editors Drs. Craig A. Clifford and Philip J. Bergman bring their considerable expertise to the topic of Small Animal Oncology. Top experts discuss updates in veterinary immunotherapy; new therapies in veterinary oncology; updates in lymphoma; updates in veterinary interventional radiology; precision-based medicine; and more. Contains 11 relevant, practice-oriented topics including non-invasive blood-based cancer detection; updates in radiation therapy; updates in surgical oncology; clinical trials in veterinary oncology; anal gland, anal sac adenocarcinoma; and more. Provides in-depth clinical reviews on small animal oncology, offering actionable insights for clinical practice. Presents the latest information on this timely, focused topic under the leadership of experienced editors in the field. Authors synthesize and distill the latest research and practice guidelines to create clinically significant, topic-based reviews.