ESTRO 2022 - Abstract Book

S1047

Abstract book

ESTRO 2022

Conclusion With this systematic review, we could not identify the optimal RT dose for postoperative, nor primary RT in the era of modern RT because only a few small studies with heterogeneity regarding WHO subtype, stage and treatment could be identified. The question regarding the optimal RT dose to deliver for TETs is left unanswered and warrants further research.

PO-1241 Role of Prognostic Nutritional Index in Postoperative Radiotherapy for Non-Small Cell Lung Cancer

H. Ryu 1 , C. Song 2 , J.S. Kim 3 , J.H. Jeon 4 , S. Cho 5 , K. Kim 6 , S. Jheon 6 , S.H. Kim 7 , Y.J. Kim 7 , J.S. Lee 8

1 Seoul National University Hospital, Radiation Oncology, Seoul , Korea Republic of; 2 Seoul National University Bundang Hospital , Department of Radiation Oncology, Bundang, Korea Republic of; 3 Seoul National University Bundang Hospital, Department of Radiation Oncology , Bundang, Korea Republic of; 4 Seoul National University Bundang Hospital, Department of Thoracic and Cardiovascular Surgery, Bundang, Korea Republic of; 5 Seoul National University Bundang Hospital, Department of Thoracic and Cardiovascular Surgery , Bundang , Korea Republic of; 6 Seoul National University Bundang Hospital, Department of Thoracic and Cardiovascular Surgery , Bundang, Korea Republic of; 7 Seoul National University Bundang Hospital, Department of Internal Medicine, Bundang, Korea Republic of; 8 Seoul National University Bundang Hospital, Department of Internal Medicine , Bundang, Korea Republic of Purpose or Objective Prognostic Nutritional index (PNI) is known to be correlated with clinical outcomes in non-small cell lung cancer (NSCLC) patients after surgical resection. However, prognostic role of PNI has not been studied yet in patients underwent