The search textbox has an autosuggest feature. When you enter three or more characters,
a list of up to 10 suggestions will popup under the textbox. Use the arrow keys
to move through the suggestions. To select a suggestion, hit the enter key. Using
the escape key closes the listbox and puts you back at the textbox. The radio buttons
allow you to toggle between having all search items start with or contain the text
you entered in the search box.
![](https://webarchive.library.unt.edu/web/20120925054354im_/http://www.cancer.gov/images/spacer.gif)
indium In 111 anti-CEA monoclonal antibody M5A
![listen](https://webarchive.library.unt.edu/web/20120925054354im_/http://www.cancer.gov/images/audio-icon.gif)
![](https://webarchive.library.unt.edu/web/20120925054354im_/http://www.cancer.gov/images/spacer.gif)
A substance being studied in the imaging of some types of cancer. M5A is a monoclonal antibody that binds to a protein called CEA on the surface of some tumor cells. It is linked to a radioisotope called indium In 111. The combined substance is injected into the blood, and a machine is used to find cells in the body that bind to it. Indium In 111 anti-CEA monoclonal antibody M5A is a type of radioimmunoconjugate. |