Due to organ motion uncertainties, till recent times, the full potential of stereotactic radiosurgery (SRS) and stereotactic radiation therapy (SRT) for small-field lesions and other indications with tight tumor margins was limited. But with the invention of the Elekta Synergy image-guided radiation therapy (IGRT) system, challenging organ motion has become possible for cranial and extracranial targets. This whole thing can be done by incorporating imaging workflow into the system which enables imaging with patients’ treatment position just before therapy. Elekta Synergy S contains imaging tools including 3D volumetric cone beam imaging that provides soft tissue visualization. There are 2D real-time, fluoroscopic-like imaging for moving targets; and 2D kV imaging for standard planar imaging too. All these tools emphasize the clinicians’ confidence in SRS and SRT delivery. The imaging workflow when merges with advanced patient immobilization technology, then it is accurately possible to lessen margins and boost therapeutic dose for even the smallest targets. Beam Modulator provides prospective for bigger accuracy along with offering fine field-shaping capabilities. It also proffers completely interdigitating leaves and complete integration with the treatment system.