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. 2019 May 14;9(2 Suppl):188S–533S. doi: 10.1177/2192568219839731

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© The Author(s) 2019

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 License (http://www.creativecommons.org/licenses/by-nc-nd/4.0/) which permits non-commercial use, reproduction and distribution of the work as published without adaptation or alteration, without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — Preoperative film material. (A) AP (anteriorposterior) and lateral X-ray film. (B) Overextension and overflexion X-ray film. (C) CT (computed tomography) scan film. (D): L34 layer scan film shows that there is large disc herniation in left part of the canal. (E) L45 layer scan. There is a large and marginal calcified disc herniation. (F) Lumbar MRI (magnetic resonance imaging) scan film. (G) There is a large disc herniation at the L34 layer. (H) It is a large and marginal calcified disc herniation at the L45 layer.