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An example of automated segmentation. Axial MRI scans in a 71-year-old woman demonstrate a 2.1 cm HCC (*) in segments V and VIII of the liver on (A) portal venous phase image. Automated (B) liver segmentation (yellow lines), (C) tumor segmentation (read line), tumor border extensions with (D) 5 mm (orange line), (E) 10 mm (purple line), and (F) 20 mm (blue line) to create (G, H) corresponding segmentation masks
