Hayley Ashworth, BVSc, MS, DACVR-RO

Medical & Radiation Oncology


University of Sydney (Australia) School of Veterinary Science


Veterinary Specialty Center

Oncology Specialty Internship

Animal Cancer Care Clinic in Fort Lauderdale, FL


University of Missouri College of Veterinary Medicine

Master of Science

University of Missouri


Board Certified in Radiation Oncology by the American College of Veterinary Radiology

Professional Affiliations

Veterinary Cancer Society

American College of Veterinary Radiology

Dr. Ashworth is joining us on July 16th!

Dr. Hayley Ashworth always felt a deep connection to animals, having grown up surrounded by them. However, it wasn’t until she took a job at a veterinary clinic during her undergraduate studies that she considered becoming a veterinarian. Witnessing the strong bond between pets and their families and contributing to their well-being through regular veterinary care was truly inspiring.

What sparked your passion to focus on your area of expertise?

My exposure to oncology during veterinary school was limited, which sparked my curiosity about this common disease. In my final year, during clinical rotations, I saw patients diagnosed with cancer being given various treatment options. I was fortunate to follow a few patients undergoing chemotherapy, and I was intrigued by their responses to different drugs and the complex decision-making process of the clinicians. My rotating internship at VSC further fueled my interest as I observed the interplay between the pillars of cancer treatment, deepening my fascination with oncology.

You did your internship here at VSC. What excites you the most about your return?

Early in my veterinary career, VSC provided a collegial environment that prioritized patient care and fostered learning. I am thrilled to rejoin this multidisciplinary team in a new capacity, helping Chicagoland pet families navigate their cancer treatment journey.

What are some of the biggest challenges in your area of expertise?

While over 60% of human cancer patients receive radiation therapy, there are far fewer veterinary radiation oncologists and hospitals equipped with linear accelerators, limiting access to treatment. Additionally, there are misconceptions about the indications for radiation therapy. It can be recommended for cancer treatment if a tumor wasn’t completely removed surgically or if it is inoperable. Radiation can also be used to treat benign conditions like chronic inflammatory conditions or vascular abnormalities.



Starting Monday, April 8th through the end of September, the Illinois Department of Transportation (IDOT) will begin their road resurfacing project along Waukegan Road from Lake Cook Road to Half Day Road (IL 22). Please allow additional travel time to our hospital during the construction. Learn More: Waukegan Road Resurfacing Project