Figure 2 shows examples of DRFs (Entropy and cluster tendency) showing a decreasing trend with increasing treatment fractions (radiation dose increase) for all good responders.
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Improving Treatment Response Prediction for Chemoradiation Therapy of Pancreatic Cancer Using a Combination of Delta-Radiomics and the Clinical Biomarker CA19-9.
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The sentences
Results The results showed that 13 DRFs (complexity, cluster tendency, coarseness, information measure, contrast, entropy, inverse variance, gray level non-uniformity, mean, IDN, kurtosis, skewness, and NESTD) showed a trend correlating to pathological treatment response and this trend was opposite between good and bad response groups.