RT Journal Article SR Electronic A1 Mosley, Mary T1 Prognostic Factors Identified in Stage IV NSCLC JF MD Conference Express YR 2015 FD SAGE Publications VO 15 IS 8 SP 16 OP 17 DO 10.1177/1559897715588466 UL http://mdc.sagepub.com/content/15/8/16.2.abstract AB Single-organ metastasis and a low TN status (especially in combination), limited local metastasis, and active anticancer treatment are prognostic for a longer overall survival in patients with stage IV non–small cell lung cancer, according to a retrospective analysis using the National Cancer Registry in The Netherlands. Overall survival is longer in patients whose disease is staged using 18-fluoro-deoxyglucose positron emission tomography imaging.