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Example of discordance between fiducials and MTV at the inferior and superior location ( – 4.20 cm discordance between superior fiducial and superior MTV border). a An image of the MTV location (red contour). b An image of the superior fiducial (green dot) and inferior fiducial (red dot) location. The GTV (yellow contour) and isodose lines are also shown (orange, green, blue, and purple regions) in ( a ) and ( b ).
