![](https://webarchive.library.unt.edu/eot2008/20081028193008im_/http://www.cancer.gov/images/spacer.gif) |
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![](https://webarchive.library.unt.edu/eot2008/20081028193008im_/http://www.cancer.gov/images/spacer.gif)
![](https://webarchive.library.unt.edu/eot2008/20081028193008im_/http://www.cancer.gov/images/spacer.gif)
| Cáncer que se forma en los tejidos de la mama, por lo general en los conductos (tubos que llevan leche al pezón) y los lobulillos (glándulas que producen leche). Se puede presentar tanto en los hombres como en las mujeres, aunque el cáncer de mama masculino es raro. |
![](https://webarchive.library.unt.edu/eot2008/20081028193008im_/http://www.cancer.gov/images/spacer.gif)
![](https://webarchive.library.unt.edu/eot2008/20081028193008im_/http://www.cancer.gov/images/gray_spacer.gif)
![](https://webarchive.library.unt.edu/eot2008/20081028193008im_/http://www.cancer.gov/images/spacer.gif)
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![](https://webarchive.library.unt.edu/eot2008/20081028193008im_/http://www.cancer.gov/images/spacer.gif) |