Well, no a really a “shock.” Scientists have known for decades that chemotherapy drugs are carcinogens themselves.
“Long considered the most effective cancer-fighting treatment, chemotherapy may actually make cancer worse, according to a shocking new study.” [NY Daily News]
I’ve read earlier reports that another form of cancer was found after ‘successful’ treatment of original one after chemo. Here is one of many http://www.ncbi.nlm.nih.gov/pubmed/138176
Try reading the article more carefully Steve. Dumb and careless “doctors” have been abusing this process for decades, and making squillions of course. Snake oil medicine, no less.