Radiation Therapy

MINNEAPOLIS - The parents of a southern Minnesota teenager who once fled the state to avoid chemotherapy are asking a judge to end the court's role in the case, saying they are following the advice of doctors and making sure their son gets the best medical care.

BEDFORD, Mass. - Hologic Inc. said the Food and Drug Administration approved a new version of its MammoSite system, which delivers radiation seeds to prevent recurrences of breast cancer.