1. Cancer accounts for nearly 50% of pet deaths each year. Source: Veterinary Oncology & Hematology Center 2. Cancer is the #1 natural cause of death in older dogs and cats. Source: Veterinary Oncology & Hematology Center 3. Dogs get cancer at the roughly the same rate as humans. Source: AVMA Web Site 4. 1 in 4 dogs die of cancer. Source: Morris Animal Foundation Web Site 5. Over 50% of the dogs over 10 years old will die of cancer. Source: DogTopics.com 6. Just like in humans, cancer can occur in virtually any part of your dog's body. Source: DogTopics.com 7. Approximately 1 in 4 dogs develop a tumor of some kind during his lifetime. Source: DogTopics.com 8. The cause of cancer in pets, just like people, is largely unknown. Source: Veterinary Oncology & Hematology Center