Patient Stories Print (VIDEO) Breathing easy thanks to the gift of life and new Mayo Clinic Lung Transplant Program in ArizonaCraig Scherer takes a deep breath and a bold step into his second chance at life Lung disease is a condition that affects millions of people worldwide. Some of those diseases, like chronic obstructive pulmonary disease, or COPD, are among the top leading causes of death globally. COPD alone affects over 16 million people, like Arizona resident Craig Schuerer. Craig got treatments to manage his condition, but there's no cure. The disease is progressive, meaning… PST-20471122 Home Patient Stories