Dr. Halligan provides state of the art cancer treatments including 3D conformal and intensity modulated radiation using the latest image guidance and organ motion management technologies to ensure maximum safe doses to cancer targets and minimize radiation exposure to adjacent normal organs/tissues. This includes deep inspiration breath hold and respiratory gating for breast and lung cancers. Technologies include CyberKnife, Varian Truebeam, Elekta Synergy, Accuray's TomoTherapy and High Dose Rate Brachytherapy for breast and gynecologic cancers. Dr. Halligan also performs radioiodine treatments for thyroid cancers