Mediastinal eggshell calcifications

A 71-year-old man, who is non-smoker with past medical history notable for hypertension and right lower extremity deep vein thrombosis three years prior, presented with progressive dyspnea on exertion of two weeks duration. He did not have any chest pain; heart rate and blood pressure were normal. His DVT had occurred in the setting of trauma, where he was injured by a falling tree. He was treated with anticoagulation for six months and recovered.