Data mining offers new hope for precision cancer drugs. One of the most important factors in all of this is the ability to link together hospitals within the NHS and to utilize their patient data, which in this case is quite literally the lifeblood to enable better health delivery. The ability to look at the cellular levels of the disease means a patient can get to the cure of it. Groups in the US began to build databases of genetic and patient profiles and treatment outcomes to try to find out what works for which cancer.