Medical apparatus and instruments for use in surgery; radiological apparatus for medical purposes; radioisotope therapy apparatus and instruments; radiotherapy apparatus; Radiological apparatus for diagnostic and medical purposes, namely, magnetic resonance imager; Medical diagnostic apparatus for detecting cancer; x-ray apparatus for medical purposes; Component of radiosurgery and radiotherapy medical apparatus consisting of robotic linear accelerator and patient positioning apparatus used for the precise, full-body delivery of therapeutic x-rays, namely, hardware apparatus and operating software for tracking and delivering radiosurgery and radiotherapy treatment without the need for fiducials or surgical implant; radiation therapy dose planning device; Medical apparatus consisting of gantry, table and computer software that simulates patient treatment with patient in situ and locates and provides images of anatomy for use in oncology and neurology