It was probably some type of trauma, but exactly what remains a mystery. Pumkin is healing up, and Pouncer's bladder inflammation seems to have subsided. I recommended to both owners that they make these two strictly indoor cats. Bu t Pumkin and Pouncer both dearly love to be outside, and would be miserable if confined to the house. Both owners decided to let them out and hope for the best.
Many humans are willing to pay a similar price for freedom.
We think there is more to consider than the length of life.