![](https://webarchive.library.unt.edu/eot2008/20090117045216im_/http://www.cancer.gov/images/spacer.gif) |
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(... THAYR-uh-pee)
![](https://webarchive.library.unt.edu/eot2008/20090117045216im_/http://www.cancer.gov/images/spacer.gif)
| The first treatment for a disease or condition. In patients with cancer, first-line therapy can be surgery, chemotherapy, radiation therapy, or a combination of these therapies. Also called primary therapy and primary treatment. |
Previous Definitions: | filgrastim-SD/01, filler, finasteride, fine-needle aspiration biopsy, first-degree relative | Next Definitions: | FISH, fistula, five element acupuncture, five-year survival rate, FK463 |
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![](https://webarchive.library.unt.edu/eot2008/20090117045216im_/http://www.cancer.gov/images/spacer.gif) |