A computed tomography (CT) scan, also known as a CAT scan, is a medical imaging technique that uses x-rays and computer processing to create detailed cross-sectional images of the body.

Fluid dynamics is the branch of physics that studies the motion of fluids, including liquids, gases, and plasmas.

Radiation therapy, also known as radiotherapy, is a medical treatment used to kill cancer cells and shrink tumors.

In radiotherapy, radiation treatment planning (RTP) is the process in which a team consisting of radiation oncologists, radiation therapist, medical physicists and medical dosimetrists plan the appropriate external beam radiotherapy or internal brachytherapy treatment technique for a patient with cancer.

Tomography is imaging by sections or sectioning that uses any kind of penetrating wave.