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. Author manuscript; available in PMC: 2009 Nov 15.
Published in final edited form as: Int J Radiat Oncol Biol Phys. 2008 Sep 25;72(4):1250–1258. doi: 10.1016/j.ijrobp.2008.06.1937

Fig. 7.

Fig. 7

Example 4D-CT coronal and sagittal views of a patient, who had considerable magnitudes of artifacts even though the displacement differences were small. Discontinuities in both right and left diaphragms can be observed as indicated by arrows. Dashed lines show the boundaries of two adjacent couch positions.