It may be rare, but it’s also real, and Issa Alovor has been bravely fighting it for almost five years. It is Pilocytic Astrocytoma grade I, a brain tumor located on Issa’s brain stem and spine. But he isn’t fighting alone. Last weekend, Maplewood Richmond Heights Middle School Principal Mike Dittrich, choir teacher, Nick Urvan and director of Career Exploration and Apprenticeship Program, John Capuano jumped on their bikes and rode for Issa in this year’s Pedal the Cause. Part of the 66-member Team Keeley, Dittrich, Urvan and Capuano each rode the 100 mile route which stretched from downtown St.