First author and year of publication | Recruitment period | Indications of surgery as local therapy | ||
---|---|---|---|---|
VALG or TNM stage | Tumor size | N category | ||
Rostad, 2004 [12] | 1993–1999 | Ia (T1-2N0, 6th or earlier edition) | Any size | N0 |
Lim, 2008 [15] | 1980–2006 | I–II (6th or earlier edition) | Any size | N0 |
Hanagiri, 2009 [16] | 1980–2004 | I and partb of II-IIIa | Any size | N0-2 |
Yu, 2010 [14] | 1988–2004 | I (T1-2N0, 6th or earlier edition)c | Any size | N0 |
Schreiber, 2010 [9] | 1998–2002 | Limited stage (T1-4, Nx-0) | Any size | N0 |
Weksler, 2012 [18] | 1988–2007 | I-II (6th or earlier edition) | Any size | N0-1 |
Luchtenborg, 2014 [11] | 1998–2009 | Early stage based on similar principles for NSCLC | Any size | N0-1 |
Combs, 2015 [17] | 1998–2011 | I-III (6th or 7th edition) | Any size | N0-2 |
NCCN Guideline [19] | T1-2N0 (7th edition) | 0–7 cm | N0 | |
The present study | 2004–2013 | T1-2N0 (8th edition) | 0–5 cm | N0 |