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RE: [med] Stereotactic body radiotherapy (SBRT) to liver tumor. Trans-arterial chemo ...
Is the radiation precisely aimed at cancer cells only? Even if it is in the same area, is it not irradiated to normal cells? I'm curious to know
It dose irradiate to normal cells as well. In the past, the radiation technique was not precise to avoid the normal tissue, so we used to irradiate for long time to provide normal tissue to recover well. But, now we can irradiate where we want very precisely, so we can avoid normal organs physically, but it can damage normal tissues if the tumor is abut or invasive to them.
Thank you so much for the explanation 🙂👍