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./images/Lyn's/w1a.jpg/images/Lyn's/w1b.jpg/images/Lyn's/w1c.jpg/images/Lyn's/w1d.jpgPseudoepitheliomatous hyperplasiaGranular cell tumorSquamous cell carcinomaa and b Loading...