Figure 1

Pre-operative MRA of the pulmonary arteries showing an aneurysm of the right lower lobe pulmonary artery with a diameter of 3.5 cm in the lower lobe of the right lung.
Pre-operative MRA of the pulmonary arteries showing an aneurysm of the right lower lobe pulmonary artery with a diameter of 3.5 cm in the lower lobe of the right lung.