Prognostic Heterogeneity in Multilevel N2 Non-Small Cell Lung Cancer Patients: Importance of Lymphadenopathy and Occult Intrapulmonary Metastases Yukinori Sakao, MD, PhD, Sakae Okumura, MD, Mingyon Mun, MD, PhD, Hirofumi Uehara, MD, PhD, Yuichi Ishikawa, MD, PhD, Ken Nakagawa, MD The Annals of Thoracic Surgery Volume 89, Issue 4, Pages 1060-1063 (April 2010) DOI: 10.1016/j.athoracsur.2009.12.066 Copyright © 2010 The Society of Thoracic Surgeons Terms and Conditions
Fig 1 Diagram indicating study group subdivisions. Between 1988 and December 2007, 2,030 patients underwent surgical resections for primary lung cancer at the Cancer Institute Hospital. (PM = intrapulmonary metastases.) The Annals of Thoracic Surgery 2010 89, 1060-1063DOI: (10.1016/j.athoracsur.2009.12.066) Copyright © 2010 The Society of Thoracic Surgeons Terms and Conditions
Fig 2 Overall 5-year survival rate for multilevel N2 patients (Pt) depends on cN and intrapulmonary metastases (pm). Survival curves were generated using the Kaplan-Meier method. The Annals of Thoracic Surgery 2010 89, 1060-1063DOI: (10.1016/j.athoracsur.2009.12.066) Copyright © 2010 The Society of Thoracic Surgeons Terms and Conditions