"My Labrador has a tumor on his spleen. Should it be removed? Should the spleen also be removed?" A: Each dog's case is different, and you will need to discuss this with your regular veterinarian, as ...

Mast cell tumors are the most common tumors affecting skin in dogs, representing between 15 percent and 20 percent of all skin tumors. They represent 25 percent of all malignant canine skin cancers.

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 ...