Mark Norwich, a high school football player, was told he couldn’t play football until the cause of a recurring blood clot in his arm was diagnosed and treated. Once it was identified as thoracic outlet syndrome, the Norwich family made the decision to travel from New York City to Baltimore to see vascular surgeon Ying Wei Lum, M.D., at The Johns Hopkins Hospital after researching physicians. With the goal of playing college football, Mark wanted to make sure he could recover and return to his workout and practice regimen as quickly as possible. Mark and his family tell the story of his surgical treatment, rehabilitation and recovery from thoracic outlet syndrome.