AUTHOR=Walls Gerard M. , Hanna Gerard G. , Qi Fang , Zhao Sai , Xia Jun , Ansari Mohammed T. , Landau David TITLE=Corrigendum: Predicting Outcomes From Radical Radiotherapy for Non-small Cell Lung Cancer: A Systematic Review of the Existing Literature JOURNAL=Frontiers in Oncology VOLUME=9 YEAR=2019 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2019.00112 DOI=10.3389/fonc.2019.00112 ISSN=2234-943X