Medical equipment, machines and systems for use in radiosurgery, radiotherapy and for radiographic purposes; medical apparatus, machines and devices for treating tumors; medical and surgical apparatus comprising x-ray equipment; medical apparatus and systems comprising linear accelerators used for delivery of radiation and computer software embedded therein, sold as a unit; medical apparatus comprising a radiation beam collimator; medical apparatus comprising a linear accelerator used for the precise delivery of radiation or for use in radiation treatment; medical apparatus, equipment and systems comprised of a housing, imaging equipment, image processing equipment, linear accelerator, patient positioning tools, and computer software embedded therein, sold as a unit; medical equipment comprising patient positioning apparatus and tools to maintain patient position during delivery of radiation; medical device for radiotherapy and radiosurgery comprising hardware and computer software sold together as a unit for use in patient positioning, treatment planning, image guided targeting, treatment delivery and verification; medical apparatus, namely, x-ray radiographic imaging systems comprised of an x-ray source and detector panel; medical apparatus for administering proton therapy used in the treatment of cancer; medical device for treatment planning, namely, for providing instructions to a medical radiation apparatus