1. The eighth edition TNM stage classification for lung cancer: What does it mean on main street? 
Frank C. Detterbeck, MD 
The Journal of Thoracic and Cardiovascular Surgery 
Volume 155, Issue 1, Pages (January 2018)
DOI: /j.jtcvs
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2. Figure 1 Lung cancer stage grouping (eighth edition).
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
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3. Lung cancer stage groups.
The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /j.jtcvs )
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