[Giant Pulmonary Artery Aneurysm Associated with Pulmonary Valve Regurgitation and Stenosis Due to Quadricuspid Pulmonary Valve:Report of a Case].

A 64-year-old woman was diagnosed with dilatation of the pulmonary artery and pulmonary valve stenosis approximately 10 years ago. At the age of 63, she developed hemoptysis and was referred to our hospital. The pulmonary trunk was enlarged to 63 mm with moderate pulmonary valve insufficiency. The transpulmonary valve pressure gradient was 25 mmHg;thus, surgery was performed. A median sternotomy revealed a markedly dilated pulmonary trunk...