Tumors develop when cells in the body grow uncontrollably. Finding a tumor on your dog can be very frightening, but they are not always detrimental — some are benign, while others are malignant.

In dogs, mast cell tumors are the most common malignant skin tumors, accounting for approximately 16–21% of all skin cancers. These tumors can appear anywhere on the body but are most frequently found ...

Explore causes, treatments, and prevention strategies for dog cysts. Reviewed by Jennifer Coates Tumors, growths, and cysts are common in dogs, particularly in older ones, and should be promptly ...

Over 50 dogs are participating in a clinical trial to study osteosarcoma that could lead to the development of a new treatment for humans.

Mast cell tumors (MCTs) are among the most common skin cancers affecting dogs and cats. These tumors originate from mast cells – immune cells that play a key role in allergic reactions and ...