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Fig. 4 | Radiation Oncology

Fig. 4

From: Assessment of setup uncertainty in hypofractionated liver radiation therapy with a breath-hold technique using automatic image registration–based image guidance

Fig. 4

Computed tomography (CT) images showing the left-right manual shift correction of 12.7 mm. a Planning CT showing the contours of the liver (dotted yellow) and the 45 Gy isodose line (solid red) abutted the stomach (solid blue). b Result of automatic alignment showing a deformation in the shape of the stomach (black arrow). c Result of manual shift correction in which the critical dose isodose line was pulled out of the stomach

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