Correction: Local thoracic therapy improve prognosis for stage IV non-small cell lung cancer patients combined with chemotherapy: A Surveillance, Epidemiology, and End Results database analysis

There are errors in the author affiliations. The affiliations should appear as shown here: Kaitai Liu¹, Dawei Zheng², GuoDong Xu², Zhennan Du³, Shibo Wu⁴.

1 Department of Radiation Oncology, Lihuili Hospital, Ningbo Medical Center, Ningbo, China, 2 Department of Thoracic Surgery, Lihuili Hospital, Ningbo Medical Center, Ningbo, China, 3 Department of Respiratory Medicine, The Second Hospital of Yinzhou, Ningbo, China, 4 Department of Respiratory Medicine, Lihuili Hospital, Ningbo Medical Center, Ningbo, China.