Abdominal tumors, both benign and malignant, can cause a dog’s belly to swell. Tumors in the liver, spleen, or other abdominal organs can lead to either direct enlargement or cause secondary ...

These tumors are most common in your dog’s mouth, intestines, chest wall, and legs. However, since they can develop deep within the tissue, they can be very hard to detect.

About two thirds of dogs that have a tumor on the spleen have a malignant form of cancer, and about two thirds of them are hemangiosarcoma (1). These tumors are more commonly found in Labradors ...

But the effects of estrogen on cancer risk in dogs aren't straightforward, according to a new study led by researchers from Penn's School of Veterinary Medicine. While it's clear that spaying dogs ...

It’s rarely fatal, after all, and if dogs are otherwise healthy, it doesn’t grow very fast. “The tumor and the dogs aren’t competing against each other anymore,” Baez-Ortega says.