her dadpoke with fox news by phone moments ago after t filed thet. it s devastating. sarah is dying. she s before us. re watching her die. and she knows she s not health y she s asked u if she s going to die. we re doing everything as parents to prevent that. reporter: currently there are 2 patients nation waiting for a lung transplant. ate hospital where sarah is, there are seven. shepard: what do legal experts say about the viability ofthe lawsuit? they say her parents are on the right track. attorneys that i spoke to say it accomplishes a couple things. it protects and helps sarahbut also is altruistic in helping others. ug burns.deral patrol prosecutog