cases, lung Week 491: Case 2 April 26, 2023 pathadmin 1. Presented by Ralph Hruban, M.D. and prepared by Matthew Karafin, M.D.This elderly patient developed shortness of breath. A segment of the trachea was resected.Metastatic papillary thyroid carcinomaHeterotopic thyroid tissueMalignant teratomaMucoepidermoid carcinoma 1. Presented by Ralph Hruban, M.D. and prepared by Matthew Karafin, M.D.This elderly patient developed shortness of breath. A segment of the trachea was resected.