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. Author manuscript; available in PMC: 2017 Jan 1.
Published in final edited form as: J Thorac Oncol. 2016 Jan;11(1):e5–e16. doi: 10.1016/j.jtho.2015.08.002

Figure 1.

Figure 1

Patient selection schema. *Non-small cell histology was identified through International Classification of Diseases for Oncology, 3 rd version (ICD-O-3) histology codes: 8010–8040, 8050 – 8076, 8140, 8143, 8211, 8230–8231, 8246, 8250 – 8260, 8310, 8320, 8323, 8430, 8470 – 8490, 8550 – 8573, 8980, 8981. †Cancer-directed surgery was identified through site-specific surgical codes (21, 22, 30 – 70), including sub-lobectomy, lobectomy, bi-lobectomy, and pneumonectomy.