Melanoma can occur in animals and accounts for 7 percent of malignant tumors in dogs.

The median survival time for dogs with advanced oral melanoma is less than 5 months.

A new animal vaccine incorporates human DNA to fight oral melanoma in dogs.

By studying melanoma treatments in animals, scientists may one day gain a better understanding of cancer in people and come up with better ways to detect or treat human cancers.

Doctors are testing a new kind of obesity surgery without any cuts through the abdomen, snaking a tube as thick as a garden hose down the throat to snap staples into the stomach.