transplant the health of her lungs is checked regularly but during this 6 minute fitness examination she can only manage to walk 145 metres and only with the help of a walking frame the healthy people this would be easy but for sarah it's agony if she doesn't get a lung transplant soon she'll die but there's a massive organ shortage her prognosis isn't good doctors say she probably won't survive beyond 2019. back at home in the town of dine the sarah's parents doris and you're going to shot cystic fibrosis has long been a part of daily life that elder daughter mariam also suffered from the disease she died at the age of 15 sarah was 13 years old at the time. but then the long desired phone call comes whipping the shot household into a frenzy of activity the lifesaving lung donation is there this is the basic