This news items is about: Patches the daschund's tumor was so widespread that Dr. Galina Hayes, assistant professor in the Section of Small Animal Surgery at the Cornell University College of Veterinary Medicine, in partnership with Dr. Michelle Oblak of the University of Guelph’s Ontario Veterinary College, could see they needed to carve out more than half of the skull bone. But then they had to decide how to cover the vast gap. A common plate made of titanium mesh would leave too much of Patches’s brain vulnerable to being compressed if it were hit by something.