Retraction note
The authors have retracted this article because Figures. 2, 3 and 4, as well as parts of the text have been previously published [1]. This article is therefore redundant. Yu Zhang, Denghui Liu, Jiaqi Song, Huojun Zhang and Jianping Lu agree to this retraction. Xiaofei Zhu has not responded to any correspondence from the publisher about this retraction.
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Zhang Y, Zhu X, Liu R, Wang X, Sun G, Song J, Lu J, Zhang H. Combination of Pre-Treatment DWI-Signal Intensity and S-1 Treatment: A Predictor of Survival in Patients with Locally Advanced Pancreatic Cancer Receiving Stereotactic Body Radiation Therapy and Sequential S-1. Translational Oncology. 2018;11(2):399–405.
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Zhang, Y., Zhu, X., Liu, D. et al. Retraction Note: Pre-treatment DWI as a predictor of overall survival in locally advanced pancreatic cancer treated with Cyberknife radiotherapy and sequential S-1 therapy. Cancer Imaging 18, 31 (2018). https://doi.org/10.1186/s40644-018-0164-6
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DOI: https://doi.org/10.1186/s40644-018-0164-6