Is routine dissection of the station 9 lymph nodes really necessary for primary lung cancer? Fenghao Sun, Cheng Zhan, Mengkun Shi, Xiaodong Yang, Lin Wang, Wei Jiang, Zongwu Lin, Junjie Xi, Yu Shi, Qun Wang International Journal of Surgery Volume 34, Pages 53-57 (October 2016) DOI: 10.1016/j.ijsu.2016.08.023 Copyright © 2016 IJS Publishing Group Ltd Terms and Conditions
Fig. 1 Flow chart of selection of cases and control subjects. International Journal of Surgery 2016 34, 53-57DOI: (10.1016/j.ijsu.2016.08.023) Copyright © 2016 IJS Publishing Group Ltd Terms and Conditions
Fig. 2 Metastasis rate of each mediastinal lymph node station (station 2, upper paratracheal; station 3, pre-vascular and retrotracheal; station 4, lower paratracheal; station 5, sub-aortic; station 6, para-aortic; station 7, sub-carinal; station 8, paraesophageal; and station 9, pulmonary ligament). A chi-square test was used to compare the metastasis rate of station 9 with other mediastinal stations. *p < 0.05; ***p < 0.001. International Journal of Surgery 2016 34, 53-57DOI: (10.1016/j.ijsu.2016.08.023) Copyright © 2016 IJS Publishing Group Ltd Terms and Conditions
Fig. 3 Survival analysis between station 9-positive and -negative groups. (four 9-positive patients and seven 9-negative patients were lost to follow-up immediately after surgery.) International Journal of Surgery 2016 34, 53-57DOI: (10.1016/j.ijsu.2016.08.023) Copyright © 2016 IJS Publishing Group Ltd Terms and Conditions