OncoTails is a veterinary oncology service that works alongside local veterinary practices to provide specialist oncology support while keeping cases close to home wherever possible.
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Our model allows pets to receive expert guided cancer care in familiar surroundings, supported by their usual veterinary team. This model reduces stress for both pets and their families and maintains continuity of care.
About Sarah Mason
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.​
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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.​
A Different Approach to Oncology Care
Exploring cancer treatment options can feel overwhelming for pet owners, but it doesn’t have to be.
With OncoTails, pet owners can access specialist oncology expertise through video or telephone consultations to discuss diagnosis, treatment options and likely prognosis. Where treatment can be delivered locally, care continues in partnership with the referring veterinarian, with ongoing specialist support throughout.
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This approach ensures:
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Clear, specialist led guidance
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Continuity with the local veterinary team
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Care delivered in environments where pets feel most comfortable
Working in Partnership With Veterinary Practices
OncoTails is built on collaboration.
We work closely with veterinary teams, offering specialist input before intervention and throughout case management. This allows practices to manage oncology cases with confidence, knowing they are supported by a dedicated oncologist every step of the way.
Imagine having an oncologist working alongside your team — reviewing cases, advising on diagnostics and treatment planning and helping guide families through complex decisions with clarity and compassion.
Four Pillars of Support for
Pet Families
At OncoTails, we believe every pet owner deserves the time, space and information needed to make the best decision for their pet. This means:
Clear Understanding of the Diagnosis & Options
Transparent discussion of the disease, treatment paths and likely outcomes.
Collaborative Care Planning
Plans created together, at a pace that feels right with written summaries for clarity.
Tailored to Each Pet’s Needs & Quality of Life
Recommendations that respect medical, emotional, and practical considerations.
Working Closely With Local Vets
Clients regular veterinary team stays involved, informed and supported throughout.
