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. 2020 Jan 16;10:472. doi: 10.1038/s41598-020-57427-7

Figure 2.

Figure 2

Screen shot of the CT texture analysis software. A polygonal ROI was drawn on the tumor (A). Processed images using Laplacian of Gaussian filters with SSF of 2 mm (B) and 4 mm (C) were automatically generated. The images were displayed using a red or blue scale showing negative or positive pixels, respectively.