Fig. 3
From: Dosimetric investigation of multi-parametric 4D-MRI for radiotherapy in liver cancer

Three examples of target contouring in transversal (-1), sagittal (-2), and frontal (-3) views. The green line is Target_4D based on multi-parametric 4D-MRI and paired CT, and the red line is Target_3D drawn based on 3D-MRI and paired CT