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. 2013 Dec 26;29(1):129–136. doi: 10.3346/jkms.2014.29.1.129

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© 2014 The Korean Academy of Medical Sciences.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 3 — Examples of assessment of radio-opacity on the fluoroscopic examinations. The fluoroscopic images show (A) a minimally increased opacity (arrow) (score 1), (B) a low density of increased opacity (arrow) (score 2), and (C) a compact nodular increased opacity (arrow) (score 3).