abc's ron claiborne reports from just outside the hospital where mr.injury in a fall at his home in kennebunkport, maine. >> it is a significant injury but right now the president is in excellent shape, and we would anticipate that he would make a full recovery. >> reporter: the diagnosis, a fracture in his c-2 vertebrae. he'll wear a neck brace but undergo no surgery. son jeb bush campaigning in california, said his father is stable. and granddaughter jenna tweeting "thanks for all your thoughts and prayers for our dear gramps. we are optimistic he will heal well." the former president, who spoke in april in this tribute video to his wife -- >> happy birthday. >> reporter: -- has parkinson's disease and is confined to a wheelchair. still, his doctors said he is tough. just one year ago, he celebrated his 90th birthday with a bush tradition, parachuting from a helicopter. his doctor says it will be three or four months before he is fully healed. ron claiborne, abc news portland maine. >>> severe weather in the midwest overnight. a storm chaser captured