MIAMI BEACH (EGMN) - An x-ray tube about the size of a sewing needle can safely deliver radiation to nonmelanoma skin tumors on the nose, scalp, or other highly visible areas of skin with good efficacy and good to excellent cosmetic results, an investigator reported at the annual meeting of the American Society for Radiation Oncology.About 93% of patients treated with an electronic brachytherapy system from Xoft had cosmetic results judged to meet Radiation Therapy Oncology Group (RTOG) criteria...