Estimating the Risk of Radiation-Induced Malignancy Following Radiotherapy for Benign Disease -- Understanding Radiation Units -- Autoimmune Disorders -- Dermatologic Conditions -- Infectious Disease -- Diseases of Inflammation -- Endocrinological Disorders -- Musculoskeletal Disorders -- Neurological Disorders -- Benign Lymphoid Disorders -- Pain Disorders -- Psychiatric Disorders -- Reproduction -- Benign Tumors/Premalignant Conditions -- Vascular Disorders -- Other.