“…8 Syphilitic vasculitis and aneurysmal disease affecting the abdominal aorta, 9 pulmonary arteries, 10 coronary arteries, 11 and aortic arch branch vessels have also been reported. 12 Large syphilitic thoracic aortic aneurysms may cause symptoms via mass effect on neighboring mediastinal structures, including the trachea, esophagus and pulmonary artery, [13][14][15] as in our patient. Additional reported complications include compression of the superior vena cava, 16 erosion into the chest wall 17 and thoracic spinal bodies, 18 erosion into the airways 19 and esophagus, 20 and fistulization to the pulmonary artery.…”