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. 2018 Oct 23;5:131. doi: 10.3389/fcvm.2018.00131

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Copyright © 2018 Basu-Ray, Sudhakar, Schwing, Monlezun, Zhang, Shah, Pujara, Ting, Rafeh, Ali, Cassidy, Ellenbogen, Levine, Lam, Mathuria, Saeed, Bunch, Martin-Schild, Gold, Aryana, Razavi and Rasekh.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Transesophageal images of left atrial appendage (LAA) morphologies. Functional classification of LAA based on thrombogenicity. Left to right: S, simple LAA or SLA2M (chicken wing based on prior classifications); C, Complex LAA or CLA2M (includes chicken wing with pectinated walls and other complex morphologies including cauliflower, cactus and windsock).