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Evolution of OS in patients diagnosed with stage I (A), stage II (B), stage IIIA (C) or stages IIIB–IV (D) NSCLC with NSQ, SQ or CDUP. CDUP, clinically diagnosed with unknown pathology; NSCLC, non-small cell lung cancer; NSQ, non-squamous cell carcinoma; OS, overall survival; SQ, squamous cell carcinoma.
