Brachytherapy is an established and critical component of the treatment of cervical cancer. Image-guided brachytherapy (IGBT) describes the incorporation of diagnostic radiology modalities into the process of brachytherapy applicator insertion, treatment planning and treatment delivery. The recent clinical validation of 3D IGBT has led to its rapid adoption across the USA over the past 10 years [1–4]. At the current time, computed tomography (CT) is widely used for treatment planning in the USA, with increasing utilization of MRI [1–4]. The increased use of imaging and 3D treatment planning for cervical cancer IGBT has brought the promise of improved cancer control as well as reduced treatment-related toxicity.
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