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. Author manuscript; available in PMC: 2024 Nov 1.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2023 Jul 13;117(3):738–749. doi: 10.1016/j.ijrobp.2023.03.078

Figure 3b:

Figure 3b:

Example of a patient where the interface delineation between the GTV (green contour) and muscle (yellow contour) is harder because tumor emboli are invading into muscle (area with red dashes in the figure).