Dogs that had puppies, females spayed after their heat cycles began and dogs that were never spayed are at highest risk.

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.

"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 ...

CHAMPAIGN — People are beginning to realize that dogs share a lot more with humans than just their homes and habits. Some spontaneously occurring cancers in dogs are genetically very similar to those ...

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 ...

"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 feels like a muscle. Do you think ivermectin might help? She is only 5 or ...

A study found that meningiomas — the most common type of brain tumor in humans and dogs — have similar genetic makeup Nicholas Rice is a Senior News Editor, Weekends for PEOPLE Magazine. He began ...

There's new hope for a devastating cancer in dogs that's often deadly because there are no early warning signs.

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 ...

Luke Robinson walked 2,300 miles to find out why his beloved dog died of cancer. Nov. 5, 2012— -- Luke Robinson never liked dogs much until an ex-girlfriend offered him a puppy while he was ...