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(seg-MEN-tul ree-SEK-shun)
![](https://webarchive.library.unt.edu/eot2008/20090514064902im_/http://www.cancer.gov/images/spacer.gif)
| A surgical procedure to remove part of an organ or gland. It may also be used to remove a tumor and normal tissue around it. In lung cancer surgery, segmental resection refers to removing a section of a lobe of the lung. Also called segmentectomy. |
Previous Definitions: | sedative, sedimentation rate, sedoxantrone trihydrochloride, segmental cystectomy, segmental mastectomy | Next Definitions: | segmentectomy, seizure, selection bias, selective estrogen receptor modulator, selective serotonin reuptake inhibitor |
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