Teenager with noisy breathing at night CXR AP (above left) shows multiple thin walled cystic and solid lesions in both lungs. Axial CT without contrast of the chest (right) shows multiple cystic and solid lesions in the lungs bilaterally. AP image of the airway (below left) shows a mural tracheal mass arising from the left side of the trachea which nearly completely occludes the airway. The diagnosis was tracheobronchial papillomatosis.