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. 2021 Feb 13;31(8):5851–5862. doi: 10.1007/s00330-021-07716-0

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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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Fig. 3 — Stent patency and overall survival. a Cumulative stent patency by the Kaplan–Meier analysis. Median stent patency was 7.8 months in the combination therapy group versus 4.0 months in the only stent group. b Significantly better overall survival rates were observed in the patients treated with combination therapy according to the Kaplan–Meier method (p < 0.001 for both)