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External beam therapy is a type of therapeutic radiology that is delivered externally from a machine directed to the cancer inside the patient. Examples of external beam therapy machines include linear accelerators, cobalt machines, or orthovoltage X-ray machines.

Detailed information on radiology, including the radiologist, the radiology team, radiological imaging, diagnostic radiology, therapeutic radiology, radiation oncology, and interventional radiology

Nuclear medicine is a specialized area of radiology. It uses very small amounts of radioactive materials to examine organ function and structure. This branch of radiology is often used to help diagnose and treat abnormalities very early in the progression of a disease, such as thyroid cancer.

Detailed information on therapeutic radiology, including information on external beam therapy and brachytherapy

Detailed information on radiology, including the radiologist, the radiology team, radiological imaging, diagnostic radiology, therapeutic radiology, radiation oncology, and interventional radiology

A detailed look at the respiratory system and how it works.

Detailed information on urology, the branch of medicine concerned with the urinary tract in both genders, and with the genital tract or reproductive system in the male

Detailed information on obesity treatment, including obesity medical treatment, obesity surgical treatment, obesity gastric bypass (malabsorptive) surgery, and obesity gastric stapling (restrictive) surgery

Detailed information on the medical management of vascular conditions. Includes a description of the vascular system, risk factors for vascular conditions, causes of vascular conditions, and medical management of risk factors.