Neb Duric, professor of radiation oncology at Wayne State , is mentioned in a story about a new breast imaging device at Karmanos Cancer Institute that uses ultrasound tomography. The device facilitates painless detection of certain types of breast cancer that a mammogram misses - without using radiation. Duric says latest studies show there is no safe level of radiation, and the new technology would allow younger women with a family history of cancer to receive regular mammograms. The procedure is two years away from being widely available