Automatic Contour Quality Assurance on CBCT scans for Locally Advanced Cervical Cancer Patients: A comparison study using Machine Learning

<b>Background and purpose</b>: One of the main challenges in external beam radiotherapy treatment of locally advanced cervical cancer patients is dealing with bladder and rectum filling. Organ filling causes inter­fraction motion of the uterus, requiring large treatment planning volumes, or a plan library. Current assessment of tumor position is...