Despite decades of cancer research, a frustrating dilemma plagues doctors. Two people might have cancers that look identical under the microscope, but which respond differently to the same treatment. It's a reminder of cancer's frustrating complexity, and a challenge for doctors.
Now, a massive collaboration among researchers has taken an unprecedented look into the inner workings of cancer with a new project that sequenced the genomes of more than 2,600 different tumors. The project is revealing unexpected variation, the authors say.
