Fig. 2

Example of delineated ROI on FS-T2WI mapping. A 43-years-old woman with pleomorphic sarcoma. A The TMV region is marked in green. B The PTV region is marked in red, and the air region beyond the human tissue has been removed. 1037 feature values were extracted from each of the two disjoint regions through the Slicer-radiomics extension package of 3Dslicer (Feature types, and extraction methods are included in Supplementary Material 1–2)