Transcript for Grandfather Needs New Liver, Grandson Steps In
-- Vietnam veteran has a new hero the man who might save his life. It is his own grandson Rick -- spent four years Marie is sixteen in the army. And saw active duty in Vietnam he is 62 years old. And his liver is failing -- -- not about it. -- -- over three years of Guerrero who want to -- you monochrome and tariffs and purify. A broad bloggers spurs' third. Homers only hope. Was a liver transplant and his 21 year old grandson is -- from active duty in Afghanistan hoping. That he'll be a match. Are your thoughts never -- -- mean aren't accurate -- number and computer. Literate but weighted. More than doing it now. He lets parents say their son. As always look out for others. Proud. A Phelan and you know that my husband -- race and -- He called me after he had spoken to his commanding officers and tell me. If -- turns out to be a match the operation will take place -- few weeks one soldier. Helping another.
This transcript has been automatically generated and may not be 100% accurate.