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.

Just like humans, as dogs age, it’s not uncommon for lumps, bumps and masses to appear on their body. While many of these lumps and bumps are harmless growths and considered benign, others could be ...

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 ...

Tumors are abnormal growths in the body. They develop when cells reproduce in an uncontrolled way. Usually, when old cells die, new ones may appear. In the case of tumors, the cells multiply too fast ...

Meera Pal is a Northern California-based writer with a background in journalism and books. She covers pets, real estate, tech, and everything in between. You can follow her on Twitter @Meerakat Kelly ...