However, its prognostic significance in surgically resected non-small cell lung cancer (NSCLC) remains incompletely defined.<h4>Methods</h4>SULF2 expression was evaluated by immunohistochemistry in tumor specimens from patients with stage I-III NSCLC who underwent curative-intent surgical resection between 2009 and 2016. The gene discussed is SULF2; the disease is non-small cell lung carcinoma.