Ho-cheol Choi

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An osteosarcoma of cardiac origin is extremely rare, and a comprehensive description of MR imaging (MRI) findings of cardiac osteosarcoma and its metastasis in the femur have not been reported in the literature. We present a case of cardiac osteosarcoma in a 47-year-old woman and its metastasis to the femur, focusing on the description of MRI findings of(More)
• The authors have no financial conflicts of interest. cc This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licens-es/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly(More)
The paper describes the newly improved Korean morpheme analysis module KorMa 2003. This new module applies the custom user dictionary for analyzing new and unknown words and special terms and operates an automatic word spacing module during post-processing to prevent failures of sentence analysis due to incorrect spacing between words. KorMa 2003 has(More)
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