Introduction to Stereotactic Radiosurgery and Stereotactic Body Radiotherapy -- Part I Radiobiology of Stereotactic Radiosurgery and Stereotactic Body Radiotherapy -- Radiobiology of Stereotactic Radiosurgery and Stereotactic Body Radiotherapy -- Part II Physics of Stereotactic Radiosurgery and Stereotactic Body Radiotherapy -- Physics of Stereotactic Radiosurgery and Stereotactic Body Radiotherapy -- Part III Clinical Applications -- Intracranial Tumors -- Spine -- Head and Neck -- Lung -- Digestive System -- Genitourinary Sites -- Gynecologic Sites -- Soft Tissue Sarcoma -- Extracranial Oligometastases -- Dose Constraints and Planning.