Ultrasound can detect breast cancer and it is by far the most widely used test in breast tumor diagnosis. It is economical, convenient, and non-invasive, as well as does not cause the body to absorb rays, so it is a common examination method used for screening. Ultrasound is the best general screening test for early detection and diagnosis of breast cancer, in addition to mammography and enhanced MRI, which can also detect breast cancer. In addition, mammography and enhanced MRI can also detect breast cancer. In addition, mammography and enhanced MRI can also detect breast cancer. Ultrasound screening is usually used first, and in more suspicious cases, MRI will be added to further confirm the diagnosis.