External beam radiotherapy explained

This is the most common type of radiotherapy, using rays to target the cancer cells.

  • General information

    What is external beam radiotherapy?

    External beam radiotherapy is the most common type of radiotherapy. A big machine directs external radiotherapy beams at the affected area.

  • Small cell lung cancer (SCLC)

    Preventative radiotherapy to the brain

    Small cell lung cancer can sometimes spread to the brain. To reduce this risk, you may be given radiotherapy to the head.