Search There are 33 resultsAbout Cancer RadiotherapyWhat is radiotherapy? Radiotherapy is a treatment that uses high-energy radiation to kill cancer cells. Radiotherapy damages the cancer cells’ DNA. This stops the cancer cells from dividing and growing. Click the link to learn more. External radiotherapyWith external beam radiotherapy, the radiation comes from machines which aim rays directly at your tumour or the tumour site. Click the link to learn more. View all cancer information Booklets and publications RadiotherapyThis booklet is to help cancer patients understand more about radiotherapy. Irish Cancer Society news Michelle Moore's Breast Cancer StoryWhen Michelle Moore found a lump in her breast in April 2016, she wasn’t initially concerned. She was 42 years old and generally healthy, and so she put her concerns to the back of her mind. Jonathan Molloy's Prostate Cancer StoryJonathan Molloy’s diagnosis of prostate cancer came out of the blue. The 45-year-old from Cavan town was in good health, and was not aware anything was amiss until routine blood tests at the GP revealed he had raised PSA (prostate-specific antigen) levels. View all Irish Cancer Society news