Rapid City Pulmonologist Muhammad Alsumrain, MD, is bringing higher level knowledge on a range of complex and rare lung disorders to Regional Health. In 2016, Dr. Alsumrain spent a year pursuing fellowship training in interstitial lung disease and pulmonary vasculitis at the Mayo Clinic, the only institution that offers this unique training as a formal fellowship. We asked him to share his experience, and what it could mean for Black Hills residents, with MED.