Ultrasound is critical to the diagnosis and treatment of colorectal cancer liver metastases. New ultrasound techniques
such as contrast-enhanced ultrasound
fusion imaging
acoustic elastography and intraoperative ultrasound
make ultrasound an indispensable tool for the diagnosis and treatment of colorectal cancer liver metastases. The present article emphasizes the clinical progress on new ultrasound techniques in the diagnosis and treatment of colorectal cancer liver metastases.