A lot to be read here on evolutionary biology and cancer, plus.....

http://onlinelibrary.wiley.com/doi/10.1111/eva.2013.6.issue-1/issuetoc

(if this fails,try link at bottom of

www.eurekalert.org/pub_releases/2013-01/w-hce012213.php

This article involves CRC here at

http://medicalxpress.com/news/2013-01-drug-side-effects-chemotherapy.html

and i'll reiterate this easy one to try on grape seed extract and mCRC

www.medicalnewstoday.com/articles/255182.php

and from Qatar

www.zawya.com/story/Weill_Cornell_Medical_College_in_Qatar_and_the_fight_against_cancer-ZAWYA20130120110713/

this don;t seem to work either (neither do i)so try this on CEA

www.nature.com/bjc/journal/vaop/ncurrent/full/bjc2012605a.html

for your edification and pleasure......don't know why all this empty space below--must be content of my brain today.....