In addition to surgically removing the tumor, veterinarians spayed Boo Boo. About 90% of dogs who enter Muttville Senior Dog Rescue with mammary tumors have never been spayed or were spayed late in life.

"(Hutchinson and his wife, Danielle) had three dogs, Nala, Nero and their puppy, Amelia, but Nero was Stuart's favorite," Hutchinson's mother, Fiona Conaghen, told TODAY.Just after Hutchinson passed, his wife, Danielle, broke her glasses, so her father returned to Hutchinson's home to get a replacement pair.