A method and apparatus for removing tissue from a volume surrounding a region of interest with a body part of a patient is disclosed. The tissue removal volume and location is determined by stereotactic radiography. The size of the tissue removal volume surrounding the region of interest is derived by...http://www.google.co.uk/patents/US6214018?utm_source=gb-gplus-sharePatent US6214018 - Method and apparatus for removing tissue from a region of interest using stereotactic radiographic guidance