By Meg Wingerter Staff Writer mwingerter@oklahoman.comOklahoma City — Patients at Stephenson Cancer Center will have the option of contributing their tumor's genetic information to a nationwide database, in the hope of finding better treatments for themselves or advancing knowledge about cancer. The Oncology Research Information Exchange Network collects DNA from tumors, as well as information about what treatments patients received and what happened to them.Read more on NewsOK.com