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. 2017 Jun 26;9(6):470–480. doi: 10.4330/wjc.v9.i6.470

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©The Author(s) 2017. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial.

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Standard B-mode echocardiography of endurance athlete showing enlargement of left ventricular (A), left atrial (B) and right ventricular (C) chambers, as well as inferior cavae vein dilatation (D) (arrows). LV: Left ventricular.