should who gets herceptin be dtmd serum her2ecd levels vsHER2 status ofprimry tumor
 

In another thread we were discussing why herceptin worked for some whose primary tumor did not fit the usual characteristics ie, FISH>2.2 or her2 3+

This might be another reason why, with a suggestion on how to remedy this so all who have a chance to benefit from herceptin might be identified and given that opportunity:

http://breast-cancer-research.com/content/9/6/R75