PD-L1 guideline panels hustle to keep pace with drug advances
October 2017—The expert and advisory panels for the CAP/IASLC/AMP guideline on molecular testing for lung cancer biomarkers started updating the guideline in 2014, and an important but fairly routine revision process may have seemed to lie ahead. Something like sedately stepping onto a moving sidewalk. The key question at that point was quotidian: Have new data emerged to warrant changing the original recommendations?