![](https://webarchive.library.unt.edu/eot2008/20090116082030im_/http://www.cancer.gov/images/spacer.gif) |
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![](https://webarchive.library.unt.edu/eot2008/20090116082030im_/http://www.cancer.gov/images/spacer.gif)
![](https://webarchive.library.unt.edu/eot2008/20090116082030im_/http://www.cancer.gov/images/spacer.gif)
| Cáncer que se forma en las células de transición que revisten la vejiga, el uréter o la pelvis renal (la parte del riñón que recolectal, retiene y drena la orina). Las células de transición son células que pueden cambiar de forma y extenderse sin romperse. |
![](https://webarchive.library.unt.edu/eot2008/20090116082030im_/http://www.cancer.gov/images/spacer.gif)
![](https://webarchive.library.unt.edu/eot2008/20090116082030im_/http://www.cancer.gov/images/gray_spacer.gif)
![](https://webarchive.library.unt.edu/eot2008/20090116082030im_/http://www.cancer.gov/images/spacer.gif)
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![](https://webarchive.library.unt.edu/eot2008/20090116082030im_/http://www.cancer.gov/images/spacer.gif) |