Young man veterinarian checking up the dog on table in veterinary clinic. Healthcare, medicine treatment of pets. Dogue de bordeaux.© maxbelchenko/Shutterstock.com ...

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.

Lipomas are the most common benign skin tumors of dogs, which are most frequently found in middle-aged and overweight animals. The small, soft, movable lumps that originate below the skin usually grow ...

Add Yahoo as a preferred source to see more of our stories on Google. "My dog has a tumor that has just popped up on her bottom jaw, and it's getting rather big rather fast. It's kind of hard and ...

Q: I recently adopted Missy, my mother's middle-aged, mixed-breed dog. She was never spayed, and she has two small masses in her mammary glands. Are these masses likely to be cancer? If not, should I ...

Washington State University is currently running clinical trials to test the effectiveness of immunotherapy injections in canine tumors. Clarice was part of the trial and successfully had a tumor ...

A lipoma is a benign (noncancerous) tumor of fat in middle-aged or older dogs. Lipomas can grow anywhere on the dog's body, even inside their abdomen. But the most common growth is under their skin ...

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.