Source: Public Opinion / Ashley Books Residents can dress up and head to the prom to help a Chambersburg infant fighting cancer. Prom for Peyton will be held. Aug. 20 at 8 p.m. at the Ballroom and Schindel-Rohrer above 28 South in Hagerstown, Maryland as a fundraiser for Peyton Carrow, a 9-month-old who was diagnosed with neuroblastoma. Since the diagnosis, Robin Carrow,…