title: A ring on the heart.
authors.affiliation: Department of Cardiovascular Surgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
authors.forename: Qun-Jun
authors.initials: QJ
authors.lastname: Duan
authors.affiliation: Department of Cardiovascular Surgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China isee2010@126.com.
authors.forename: Ai-Qiang
authors.initials: AQ
authors.lastname: Dong
authors.affiliation: Department of Cardiovascular Surgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang, China.
authors.forename: Hai-Feng
authors.initials: HF
authors.lastname: Cheng
mesh_terms: D000368:Aged; D002114:Calcinosis; D006801:Humans; D008297:Male; D010492:Pericardiectomy; D010494:Pericarditis, Constrictive; D010496:Pericardium / Q000473:pathology; D014057:Tomography, X-Ray Computed
keywords: Constrictive; Pericarditis