Saving a pet, but at what cost?

Batman's brain
Batman, a 10-year-old German shepherd mixed-breed, has been successfully treated for brain cancer. Veterinary surgeon G. Elizabeth Pluhar is giving Batman medication to wake him up after his one-year MRI. The scan did not show any signs of cancer.
MPR Photo/Lorna Benson

Advances in veterinary medicine are prolonging the lives of many pets, but can be very costly. Is there a limit to what we should spend to treat our pets?

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