In 10 seconds? Cancer radiotherapy is a mainstay of cancer treatment that has contributed to countless cancer cures, but radiotherapy still has potential for improvement. Scientists are researching ways to personalize radiotherapy to improve patient outcomes.

Can you remind me what radiotherapy is? Absolutely! Radiotherapy (AKA radiation) is a cancer treatment that zaps tumors with beams of high energy, which damages the DNA inside of tumor cells. Ideally, radiotherapy will cause enough irreparable damage to the tumor to kill it, but that is not always the case. Indeed, some tumors survive after radiotherapy and are deemed radiotherapy resistant.

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