For a patient with stage III NSCLC who is treated with chemoradiation followed by surgery, when do you offer additional "adjuvant" chemotherapy after surgery?

Several recent trials have addressed management of stage III NSCLC. The intergroup 0139 trial and the EORTC 08941 trial were prospective studies of patients with known mediastinal involvement comparing chemoradiotherapy with or without surgery. Neither prospective trial showed a survival benefit for...