Although all authors completed the disclosure declaration, the following author(s) indicated a financial or other interest that is relevant to the subject matter under consideration in this article.

I read with great interest the article by Beckman et al 1 in which the authors discussed the effect of molecular heterogeneity in colorectal cancer (CRC) on selection of targeted therapy, treatment ...

This publication has undergone peer review according to procedures established by the National Academy of Medicine (NAM). Publication by the NAM signifies that it is the product of a carefully ...