What high risk features for stage IB NSCLC would lead you to consider adjuvant chemotherapy?

Short answer is "no", I would not change practice based on the recently presented (ASCO) a non-randomized analysis of the potential benefits of adjuvant chemotherapy for patients with stage I NSCLC in Japan (Tsutani, et al. JCO 37(15S):457s, 2019; abst 8500). Many of these patients received UFT rath...

High risk features in stage IB NSCLC would include presence of lymphovascular invasion, poor differentiation, or high standardized uptake value (SUV) on positron emission tomography (PET; variably defined as SUV 10 or more. I don't think size of 2cm has been an accepted high risk features. Tumor siz...