cases, heart Week 242: Case 3 April 26, 2023 pathadmin 1. Presented by Mark Halushka, M.D., Ph.D. and prepared by Todd Sheridan, M.D.34 year old fireman with increasing dyspnea on exertion.Borderline myocarditisGiant cell myocarditisSarcoidosisPrimary cardiac lymphoma 1. Presented by Mark Halushka, M.D., Ph.D. and prepared by Todd Sheridan, M.D.34 year old fireman with increasing dyspnea on exertion.