The doctor was not all negative....he said that Chilly has a "very strong ticker", good eyesight, good hearing, and appears to be mentally sharp. Because of the nerve problem, he doesn't have pain in the back hip, and he generally seems happy. He wanted to see Chilly back in three months.
Since the visit, Chilly has been walking around more, eating better (without any canned dog food or people food) and seeming happier, despite the oppressive heat.
(These pictures were taken on a visit to Petsmart last week).