Rad: Abbreviation for Radiation Absorbed Dose, a measure of the amount of radiation. This term is being replaced by cGy. Synonym: cGy.
Radiation: High-enery rays carried by waves or a stream of particles.
Radiation Oncologist: Doctor who specializes in cancer treated by radiation therapy. Synonym: Radiation therapist.
Radiation Therapist: Doctor who specializes in cancer treated by radiation therapy. Synonym: Radiation oncologist.
Radiation Therapy: Use of radiation to treat disease. Synonym: Radiotherapy.
Radical Prostatectomy: Complete surgical removal of the prostate; usually includes removal of attached seminal vesicles. Synonym: Radical Prostatoseminovesiculectomy.
Radiologist: Doctor who specializes in diagnostic tests using imaging, including X-rays, MRI, and CT scan.
Radiotherapy: Use of radiation to treat disease. Synonym: Radiation Therapy.
Receptor: Protein molecule, often on the surface membrane of cells, that interacts like a lock-and-key with other chemicals such as hormones and durgs.
Recurrence: Return of cancer after therapy.
Refractory: Loss of reponse to therapy.
Regional: Involving a relatively large anatomic area.
Remission: Partial or complete disappearance of cancer.
Retention: Inability to urinate.
Retropubic: Referring to behind the pubic bone.
Retropubic Prostatectomy: Surgical method for removal of the prostate through an incision in the lower abdomen and reaching the prostate behind the pubic bone.