title: External mass compressing the left atrium on transthoracic echocardiography.
authors.affiliation: Division of Cardiology, Department of Internal Medicine, St. Vincent's Hospital, The Catholic University of Korea, Suwon, Korea.
authors.forename: Eun-Joo
authors.initials: EJ
authors.lastname: Im
authors.forename: Su-Sung
authors.initials: SS
authors.lastname: Oh
authors.forename: Kyung-Mi
authors.initials: KM
authors.lastname: Kang
authors.forename: Ji-Hoon
authors.initials: JH
authors.lastname: Kim
authors.forename: Keon-Woong
authors.initials: KW
authors.lastname: Moon
authors.forename: Ki-Dong
authors.initials: KD
authors.lastname: Yoo
authors.forename: Chul-Min
authors.initials: CM
authors.lastname: Kim