[Effect of Brachytherapy Source Dwell Position on Dose Distribution in Cervical Cancer Therapy].

Purpose: To investigate the effect of different source dwell positions on dose distribution in the treatment of cervical cancer with brachytherapy.

Methods: Treatment planning data for cervical cancer patients were used. Treatment plans were created at 1 mm intervals, varying up to 5 mm.

Current activities and future directions of comprehensive hepatitis control measures in Japan: The supportive role of the Hepatitis Information Center in building a solid foundation.

In Japan, hepatitis B or C virus infection has been a major health issue. For the prevention of liver-related deaths, multifaceted strategies have been taken against hepatitis virus. In fiscal year (FY) 2002, nationwide screening for hepatitis was started as a part of health examinations provided by municipal governments.