Why does Marfan syndrome affect the lungs?

Enid Neptune, MD, is an adult pulmonologist and developmental biologist at the Johns Hopkins University School of Medicine. Her research and clinical practice focuses on genetic determinants of airspace disorders, and clinical evaluation of lung disease in patients with Marfan syndrome. For more information on how Marfan syndrome affects the human body, visit: http://marfan.org/about/body-systems