R
Radiographer

Person trained to deliver radiotherapy treatment. See who does what for further information.

Radiotherapist

Doctor who specialises in treating people using radiotherapy.

Radiotherapy

Cancer treatment that uses x-rays (and other rays) to kill cancer cells. For further information see the radiotherapy section.

Randomised controlled trial

A clinical study which compares two or more treatments, by randomly allocating patients to groups. Usually the random allocation is done by a computer.

Recurrent cancer (recurrence)

Cancer that has returned after initial treatment.

Red blood cells

Cells in our blood that carry oxygen around our body.

Remission

When there is no evidence of cancer cells as far as doctors can tell.

Remission induction

The first phase of treatment for acute lymphoblastic leukaemia (ALL).

Rhabdomyosarcomas (rab do myo sah coma)

A type of soft tissue sarcoma, which often develops around muscle.

Rituximab (ree tux i mab)

A monoclonal antibody treatment for lymphoma.