- Patients may have either metastatic lesions from another primary site or primary hepatocellular carcinoma; patients with one histologically confirmed metastatic lesion of the liver who are presenting for local therapy for lesions concerning for metastases that cannot or should not be biopsied will also be considered for enrollment on a case by case basis; patients can simultaneously receive treatment for multiple hepatic lesions meeting the prior two requirements, at the discretion of the treating radiation oncologist