cases, mediastinum Week 141: Case 1 April 26, 2023 pathadmin 1. Presented by William Westra, M.D. and prepared by Lynette S. Nichols, M.D.52 year-old man with a tracheal mass.Pseudoepitheliomatous hyperplasiaGranular cell tumorSquamous cell carcinomaa and b 1. Presented by William Westra, M.D. and prepared by Lynette S. Nichols, M.D.52 year-old man with a tracheal mass.
