Editor's note: This popular blog was republished on Oct. 2, 2018.

With over two thousand new immunotherapy agents in clinical and pre-clinical development and the expanding adoption of newly approved treatments, such as CAR T-cell therapy, cancer patients are inundated with promises of new "miracle" drugs. While dramatic advancements in our understanding about cancer biology and treatment are touted in the media, research from Cardinal Health suggests that only 40% of oncologists see precision medicine as a game-changer, while 57% of oncologists believe that it's too soon to predict the long-term impact of precision medicine.