Dr Sarah Mason FRCVS

Writer

European Veterinary Specialist in Small Animal Oncology & Radiation Oncology

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Join date: May 14, 2026

About

Sarah is a dedicated specialist veterinary oncologist, double board-certified in Medical and Radiation Oncology, with over 15 years of experience working in multidisciplinary referral centres.

In recognition of her exceptional commitment to clinical practice and contribution to the profession, Sarah was awarded Fellowship of the Royal College of Veterinary Surgeons (FRCVS) in 2024.

Throughout her career, Sarah has supported and guided thousands of pets and their families through cancer diagnoses and treatment, always with empathy, clarity and care. She is known for her practical, balanced approach - offering tailored treatment and management recommendations that respect each pet’s individual needs while also acknowledging the realities faced by families.

Posts (3)

May 31, 2026 ∙ 2 min

Canine Thyroid Tumours: The Quiet Cancer You Might Not Expect

Most dogs with thyroid tumours feel completely normal at first. Often discovered as a subtle neck swelling, these quiet cancers can easily go unnoticed. In this blog, veterinary oncology specialist Dr Sarah Mason FRCVS explores how canine thyroid tumours present, how they are diagnosed, and why early treatment planning can make such a difference.

May 14, 2026 ∙ 3 min

Veterinary Chemotherapy Safety: Safe Handling Guidelines for Clinical Teams

Safe chemotherapy handling is an essential part of modern veterinary oncology practice. This article explores chemotherapy safety protocols, PPE, oral and injectable drug handling, and how practices can support safer oncology care for patients, owners and clinical teams.

May 14, 2026 ∙ 3 min

Understanding Canine Anal Sac Gland Carcinoma (ASGC): Treatment Options and Prognosis

Canine anal sac gland carcinoma (ASGC) is a common but often complex tumour seen in dogs. In this article, Dr Sarah Mason a specialist veterinary oncologist at OncoTails discusses staging, metastatic patterns, treatment options and how management decisions can vary depending on disease stage, prognosis and quality of life goals.