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(A) and (B) show the uterine tandem (yellow arrows) and foley catheter (orange arrows) in the sagittal plan on the magnetic resonance imaging (MRI) and computed tomography (CT). The high-risk clinical target volume (HR-CTV) is outlined in red. (C) and (D) show HR-CTV, tandem (yellow arrows), and ovoids (blue arrows) in the coronal plane, again on the respective MRI and CT.
