RT Journal Article SR Electronic T1 Validation of the LENT score in Japanese sample: The impact of EGFR-TKI JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP PA4328 DO 10.1183/13993003.congress-2015.PA4328 VO 46 IS suppl 59 A1 Tamaki Takahashi A1 Daisuke Naito A1 Yusuke Wakatsuki A1 Yuko Yamamoto A1 Yoko Hamakawa A1 Kazuki Shima A1 Yuichi Chihara A1 Kenichi Takahashi A1 Hiromichi Katakura A1 Naoki Sakai YR 2015 UL http://erj.ersjournals.com/content/46/suppl_59/PA4328.abstract AB Background: The LENT scoring system is a new prognostic score in malignant pleural effusion. We try to validate the scoring system in our hospital.Methods: Medical records were surveyed from January, 2012 to December. Thirty-three patients were examined pleural effusion and proven malignant. Twenty-seven of them were completely checked the LENT score and their surviving days, and they were divided into median risk group and high risk group.Results: Median risk group gave median (IQR) survivals of 55days (36-73, n=11) and high risk group gave 299 (163-651, n=16) days, respectively. In our study, 14 (87.5%) cases in high risk group were lung adenocarcinoma, and they could use EGFR-TKI and survive more than 6 months.Conclusion: LENT score might be a very good prognostic score, but it should be more concerned about the tumor type, especially in lung cancer.