<prompt> Advantage of brachytherapy a Non-invasiveb Less radiation hazard to normal tissuec Max.radiation to diseased tissued Can be given in all malignanciese Doesnt require trained personnelacacbc  <response>: As the radiotherapy source is placed directly in contact with tumor, maximum radiation exposure occurs to tumor tissue with relative sparing of adjacent normal tissue.Brachytherapy is invasive and requires trained personnel.Brachytherapy can be used in most not all of the malignancies where radiotherapy is the component of treatment. 