In this episode of the STS Webinar Series, surgeons from different practice environments in the US and Canada share their experiences with establishing biomarker testing protocols for lung cancer patients. Topics include the evidence base for adjuvant targeted therapy for EGFR-positive patients, the variability in biomarker testing practices at the panelists’ institutions, and the decision-making process behind tissue acquisition for biomarker testing. Participants include Jessica S. Donington, MD, MSCR, Janet P. Edwards, MD, MPH, Farhood Farjah, MD, MPH (moderator), Biniam Kidane, MD, MSc, Svetlana Kotova, MD, M. Blair Marshall, MD (moderator), Linda W. Martin, MD, MPH.