Transcript for Liver Donor for 3-Year-Old Girl Found on Facebook
Up three year old Pennsylvania girls under going ground breaking surgery today. Thanks to our new best friend firefighter Mike Thompson little Kennedy Stevenson is only one of eight people in the world with a very rare disease. It doesn't allow her body to process protein so she needs a new liver. Her mom desperate to find a donor but what she called a request of a lifetime on FaceBook. She needed someone to donate 25% of their liver so her daughter could live hand against all odds she got a response. And lake virulent high school went. Earned respond and then we started the testing process and he came out in us I don't think lake. Really don't really kick in until you know things are doing the stubs Thompson didn't hesitate to say yes and today he's helping her make history. Kennedy is the first person in the world to have this particular operation. Doctors say the procedure will last twelve hours Thompson will be in the hospital for about a week. But won't be able to work for several months Kennedy will be in the hospital for months while she recovers.
This transcript has been automatically generated and may not be 100% accurate.