Homepage | Radixact The Radixact System with TomoTherapy technology is one of the most integrated, advanced systems for comprehensive cancer treatment available today and is routinely used to treat a variety of cancers - from routine to complex tumors, those located in hard-to-reach areas and recurrent tumors. Educating others about your experience with the Radixact® or TomoTherapy® System can help others who face similar decisions about their own cancer treatment choices.