Over the next few days, about 30,000 oncologists and other cancer care professionals, along with a growing number of patient advocates, are converging on Chicago for the American Society for Clinical Oncology (ASCO) annual conference, the biggest cancer meeting of the year. There is far too much happening for people to be able to see everything, but fortunately people will be providing summaries on Twitter (follow me at @JackWestMD), various blogs (I'm writing commentary for Medscape), and lots of online and print news outlets.  GRACE will be doing an annual "highlights" video series in just a few weeks, but in the meantime, here is a preview of the top 10 presentations in lung cancer from my perspective, primarily thinking about likely impact on clinical practice for thoracic oncology patients: