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. 2019 Dec 4;10:114. doi: 10.1186/s13244-019-0789-4

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 13 — Fleischner sign. The “Fleischner sign” consists of a prominent central pulmonary artery upstream of cutoff (white arrows in a, black asterisk in b). It is frequently caused by a large embolus into the central pulmonary artery, as well depicted on axial CT image of the same patient (c, white arrowhead)