When is it Best to Repeat a 2-Fluoro-2-Deoxy-d-Glucose Positron Emission Tomography/Computed Tomography Scan on Patients with Non-Small Cell Lung Cancer Who Have Received Neoadjuvant Chemoradiotherapy?

The optimal time to perform a repeat FDG-PET/CT scan after the completion of neoadjuvant chemotherapy and high-dose radiotherapy to maximize its accuracy for restaging patients with NSCLC is about 1 month after the last dose of radiation.