Impact of primary tumor location on survival outcomes and recurrence patterns in patients with stage III non-small cell lung cancer: A retrospective observational study.
BACKGROUND Prognostic impact of primary tumor location in stage III non-small cell lung cancer (NSCLC) remains unclear in the era of concurrent chemoradiotherapy (CCRT) followed by consolidation durvalumab. Whether a lower lobe origin continues to influence survival and recurrence patterns under standardized multimodal...