Image-based three-dimensional treatment planning of intracavitary brachytherapy for cancer of the cervix: Dose-volume histograms of the bladder, rectum, sigmoid colon, and small bowel

From CT-based three-dimensional (3-D) evaluation, the ICRU bladder point dose was substantially lower than bladder D2 dose. Special attention should also be given to the areas of proximal rectum and sigmoid colon due to more frequent high D2 dose in these areas.