This recent study published in the Lancet Oncology is very interesting and exciting. One of the big challenges that oncologists face when trying to determine the aggressiveness of a cancer is poorly understood. There are limited tools to help determine whether or not after primary treatment of a cancer, there is a need to follow up with either chemotherapy or radiation. This latest research pointing to the fact that the presence of tumor cells in blood may help predict the aggressiveness of a cancer’s tumor could lead researchers to develop better clinical protocols to treat some of the most challenging cancers that we face. Click here to read more.