![](https://webarchive.library.unt.edu/web/20081007104941im_/http://www.nci.nih.gov/images/spacer.gif) |
¿Preguntas sobre el cáncer?
![](https://webarchive.library.unt.edu/web/20081007104941im_/http://www.nci.nih.gov/images/spacer.gif)
|
1-800-422-6237
(1-800-4-CANCER)
|
![](https://webarchive.library.unt.edu/web/20081007104941im_/http://www.nci.nih.gov/images/spacer.gif)
|
Llame de lunes a viernes de 9:00 a.m. a 4:30 p.m., hora local en Estados Unidos y sus territorios. |
|
![](https://webarchive.library.unt.edu/web/20081007104941im_/http://www.nci.nih.gov/images/spacer.gif) |
|
![](https://webarchive.library.unt.edu/web/20081007104941im_/http://www.nci.nih.gov/images/spacer.gif)
![](https://webarchive.library.unt.edu/web/20081007104941im_/http://www.nci.nih.gov/images/spacer.gif)
| EDR. Un examen en el que el médico inserta un dedo enguantado y lubricado en el recto para palpar en busca de anomalías. También se llama EDR. |
![](https://webarchive.library.unt.edu/web/20081007104941im_/http://www.nci.nih.gov/images/spacer.gif)
![](https://webarchive.library.unt.edu/web/20081007104941im_/http://www.nci.nih.gov/images/gray_spacer.gif)
![](https://webarchive.library.unt.edu/web/20081007104941im_/http://www.nci.nih.gov/images/spacer.gif)
|
![](https://webarchive.library.unt.edu/web/20081007104941im_/http://www.nci.nih.gov/images/spacer.gif) |