![](https://webarchive.library.unt.edu/eot2008/20090511043901im_/http://www.cancer.gov/images/spacer.gif) |
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![](https://webarchive.library.unt.edu/eot2008/20090511043901im_/http://www.cancer.gov/images/spacer.gif)
![](https://webarchive.library.unt.edu/eot2008/20090511043901im_/http://www.cancer.gov/images/spacer.gif)
| Se encuentran células anormales en el revestimiento más interno del seno maxilar. Estas células anormales se pueden volver cancerosas y diseminarse hasta el tejido normal cercano. |
![](https://webarchive.library.unt.edu/eot2008/20090511043901im_/http://www.cancer.gov/images/spacer.gif)
![](https://webarchive.library.unt.edu/eot2008/20090511043901im_/http://www.cancer.gov/images/gray_spacer.gif)
![](https://webarchive.library.unt.edu/eot2008/20090511043901im_/http://www.cancer.gov/images/spacer.gif)
Definiciones anteriores: | carcinoma del esófago in situ, estadio 0, carcinoma del labio y la cavidad oral in situ, estadio 0, carcinoma del páncreas in situ, estadio 0, carcinoma del seno (mama) in situ, carcinoma del seno (mama) in situ en estadio 0 | Definiciones siguientes: | carcinoma ductal, carcinoma ductal in situ, carcinoma ductal infiltrante, carcinoma epidermoide, carcinoma epitelial |
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![](https://webarchive.library.unt.edu/eot2008/20090511043901im_/http://www.cancer.gov/images/spacer.gif) |