The word tumor is an umbrella term for a cancerous mass, which means an uncontrolled replication or growth of cells, says Dr. Joseph Tsang, D.V.M. and senior veterinarian at Small Door Veterinary.
The condition progressed with trismus, dysphagia, bilateral earache, and left orbital pain. No hearing loss was present ... One week following the biopsy, there was a tumor enlargement, with proptosis ...