Complex sentence: The system is a marriage of a CT scanner and linear accelerator, enabling a CT scan to varify the position of the tumor immedialty before treatment.Mulitple "beamlets" treat the tumor in a 360 degree arc.
Split into simpler sentences: The system is a combination treatment involving a CT scanner and linear accelerator, enabling a CT scan to verify the position of the tumor immediately before treatment. Multiple "beamlets" treat the tumor in a 360 degree arc.