Liver metastatic disorders usually occur in patients with stomach, pancreas, breast, colon, and lung and etc tumor. About 30 percent of patients die because of malignancies, have liver metastases. Liver imaging examination is a fundamental preclinical test to predict patient’s prognosis and is required to monitor treatment. Despite recent advances in radiologic examination, liver metastases are still remaining as a challenge in human oncology. It seems that US is a reliable alternate for CT scan in metastases detection. CT scan should be considered in patients are highly suspensionfor liver metastases, who have normal or undetermined US findings. The aim of this study was a brief review of radiologic assessment in liver metastases.