Stereotactic Radiotherapy (SRT)

What is stereotactic radiotherapy?

Stereotactic radiotherapy (SRT) gives radiotherapy to many different parts of the body. The beams meet at the tumour, so the tumour receives a high ablative dose of radiation and the tissues around it only receive a low dose, lowering the risk of side-effects.

Patients receiving SRT usually have between 1 and 8 treatments. SRT is also sometimes called Stereotactic Ablative Radiotherapy (SABR). When used to treat brain tumours, SRT is referred to as Stereotactic Radiosurgery (SRS).

Cancer Centre London is one of few hospitals to offer SRT due to the specialist equipment and skills required.

Which cancers are treated with Stereotactic Radiotherapy?

This type of radiotherapy is mainly used to treat very small cancers, including:


At Cancer Centre London, our Elekta Versa HD linear accelerator has the required precision and speed to deliver advanced SRT & SRS.

Volumetric Arc Therapy (VMAT) treatment techniques are used to deliver SRT and SRS.

The Elekta Versa HD has a six degrees of freedom (6OD) hexapod couch that ensures high rotational verification treatment corrections

The choice to see who you want, when you want

We believe that our patients should have the choice the see the consultant they want to, and we will make sure we fit our specialist care around you.

Treatments are delivered by our experienced and dedicated multidisciplinary team in our peaceful, private and state-of-the-art facilities.

Whatever you choose, our expert team will support and guide you through your course of treatment, ensuring that you are fully informed about every aspect of your care. Find out more about the care we provide at CCL and our values here.

Book now

If you have any questions about stereotactic radiotherapy or would like to book an appointment with one of our specialists, complete this form online or call 020 8247 3351.


Cancer Centre London

Parkside Hospital

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