<prompt> Which of the following liver metastasis appear hypoechoic on UltrasonographyBreast cancerColon cancerRenal cancerMucinous adenocarcinoma  <response>: Metastases from Breast Cancer are typically hypo-echoic Echopoor on Ultrasonography.Metastases from carcinoma colon and renal cell carcinoma are typically hyper-echoic or echogenic while metastasis from mucinous adenocarcinoma typically appears calcified. 