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 ...

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

"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 ...

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 ...

Q: A friend's dog recently died of cancer, and we want to do all we can to keep our own dog cancer-free. What advice can you ...

Companion animals often develop cancers similar to those found in humas. Dogs, in particular, have a vital role to play in the investigation of new cancer therapies. Increased funding and better ...

Humane Society of Pinellas in Florida successfully removed King the dog's facial tumor and prepared the pet for adoption Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since ...

A personalized mRNA-based cancer vaccine for glioblastoma with an “onion-like” delivery mechanism can prolong survival both in dogs and humans, the results of a small study have suggested. In an ...