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. 2021 Feb 16;11:3895. doi: 10.1038/s41598-021-83414-7

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© The Author(s) 2021

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Visualization of microcatheter in the arteriography with the tip location indicated by a red cross (left) and in the CAD model (right) for (a) Patient 1, (b) Patient 2 and injection for tumors in segment 7, (c) Patient 2 and injection for tumors in segment 8, and (d) Patient 3. For each case, a detail of the CFD simulation results are shown in terms of flow streamlines colored by velocity magnitude, together with the microcatheter-tip position in the arterial lumen cross-section.