<prompt> Which of the following liver metastases appear hypoechoic on ultrasoundBreast cancerColon cancerRCCMucinous adenocarcinoma  <response>: Hepatic Metastases Metastases from breast cancer are typically hypoechoic echo poor on ultrasonography Metastases from carcinoma colon and RCC are typically hyoerechoicechogenic Metastases from mucinous adenocarcinoma of colon are typically calcified Sonographic pattern of hepatic metastases Echogenic- Neuroendocrine tumors, colonic carcinoma, Choriocarcinoma, RCC, Multifocal HCC Echopoor- Breast cancer, carcinoma pancreas, lung cancer, Lymphoma Ref: Focal liver lesionsspringer 