Peek before you treat? Is it a fantasy or reality?

J Oncol Pract. 2011 Sep;7(5):338-9. doi: 10.1200/JOP.2011.000405.

Abstract

Empirical approaches brought about use of the once-promising CSRA. However, oncologists now know that most cancers are highly complex, and that even the same tumor type can harbor differing genetic abnormalities.