Options for radiotherapy in the treatment of liver metastases.

Technologic advances have provided the means to deliver tumoricidal doses of radiation therapy (RT) to patients with unresectable colorectal liver metastases, while avoiding critical normal tissues, providing the opportunity to use RT for curative intent treatment of metastatic disease. For the current report, the expanded role of RT, with its different techniques in the setting of metastatic colorectal cancer, from palliation to cure was reviewed.