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Setup accuracy and dosimetric analysis of surface-guided radiotherapy in hypofractionated radiotherapy for breast cancer
ZHANG Weiheng, ZHAO Xuehui, ZOU Bing, LI Qing, ZHOU Zhenyu, LAN Qiongyu
INTERNATIONAL JOURNAL OF MEDICAL RADIOLOGY, 2026, 49(1): 50-57.   DOI: 10.19300/j.2026.L22196

图3 CBCT配准结果和AlignRT配准结果的相关性热图。交叉项内数字为Spearman相关系数r（量化变量间关联强度与方向），单元格标记“×”代表两者无相关性，对应P>0.05，提示此类关联仅为样本层面的偶然趋势；单元格无“×”标记，则对应P<0.05，两者具有相关性。
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