title: Acquired pulmonary artery stenosis due to compression by a calcified pericardial ring encircling the atrioventricular groove.
authors.affiliation: Department of Cardiovascular Surgery, Sakakibara Heart Institute of Okayama, Okayama, Japan.
authors.forename: Tomoki
authors.initials: T
authors.lastname: Nagata
authors.affiliation: Department of Cardiovascular Surgery, Sakakibara Heart Institute of Okayama, Okayama, Japan.
authors.forename: Arudo
authors.initials: A
authors.lastname: Hiraoka
authors.affiliation: Department of Cardiovascular Surgery, Sakakibara Heart Institute of Okayama, Okayama, Japan.
authors.forename: Taichi
authors.initials: T
authors.lastname: Sakaguchi
authors.affiliation: Department of Cardiovascular Surgery, Sakakibara Heart Institute of Okayama, Okayama, Japan.
authors.forename: Hidenori
authors.initials: H
authors.lastname: Yoshitaka
mesh_terms: D000368:Aged; D004452:Echocardiography; D006325:Heart Atria / Q000473:pathology; D006352:Heart Ventricles / Q000473:pathology; D006801:Humans; D008297:Male; D010496:Pericardium / Q000473:pathology*; D011651:Pulmonary Artery / Q000473:pathology; D011666:Pulmonary Valve Stenosis / Q000175:diagnosis* / Q000503:physiopathology*; D013902:Radiography, Thoracic; D014057:Tomography, X-Ray Computed