Arteries: Blood vessels that carry blood away from the heart.

CT (Computed tomography): An imaging technique that uses x-rays and a computer to produce cross-sectional images of tissue structures within the body.

MRI (Magnetic resonance imaging): An imaging method that uses a magnetic field, radio waves and a computer for generating very accurate and clear images of internal organs.

Brachytherapy: Internal radiation treatment achieved by implanting radioactive material directly into the tumor or close to it.

Edema: Accumulation of fluid in a part of the body.