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The effects of different manual segmentation on High-Resolution T2WI Based-Radiomics in the Preoperative T Staging of Rectal Cancer

Haidi LU¹, Fu Shen¹, Yuwei Xia², and Jianping Lu¹
¹Changhai Hospital, Shanghai, China, ²Huiying Medical Technology Co., Ltd., Beijing, China

To investigate the different segmentation of radiomics analysis for the preoperative T staging based on high-resolution T2WI. The result demonstrated that differences in delineation of VOIs affected radiomics analysis.

Figure 2. The ROC curves for two different methods.

Figure 1. The intra-observer analysis of the segmentation.