fig2

Figure 2. Example of a CT HDRBT plan for a single hepatic metastasis. axial images; the patient has 2 after-loading catheters advanced into the lesion. Dose distribution is adjusted by 3D treatment planning. The planned minimal enclosing dose was 20 Gy (red line) (A, B), coronal image (C), dose-volume histogram (D). HDRBT: high dose-rate brachytherapy