Table 2

 Trials comparing different surgical approaches for lung cancer

Study and yearSubjectsInterventionControlNumber randomisedOutcomes
Yamaguchi University, Japan(1993–4)24Clinical stage IA NSCLC,no mediastinoscopyVideo-assisted thoracoscopic lobectomyThoracotomy and conventional lobectomy100Overall 5 year survival
Lung Cancer Study Group Trial,North America (1982–8)22T1N0M0 peripheral NSCLC fit for lobectomyLimited resection (wedge resection or segmentectomy, i.e. less than lobectomy)Conventional lobectomy276Overall 5 year survival, local recurrence rate, death with cancer rate, pulmonary function
University of Munich and Central Hospital, Gauting, Germany(1989–91)13Resectable NSCLC(stages I–IIIA)Thoracotomy, surgical resection, complete mediastinal lymph node dissectionThoracotomy, surgical resection, systematic sampling of mediastinal lymph nodes201Overall and progression free survival (median follow up 47 months)
Yamaguchi University, Japan(1985–92)14Peripheral NSCLC<2 cm diameter,mediastinal and hilar lymph nodes <1 cm on CT (no mediastinoscopy)Thoracotomy, surgical resection, complete mediastinal lymph node dissectionThoracotomy, surgical resection, systematic sampling of mediastinal lymph nodes115Overall 5 year survival
Sun Yat-Sen University of Medical Sciences, Guangzhou, China(1989–95)15Pathologically confirmed NSCLC, clinical stages I–IIIA, age <71 yearsThoracotomy, surgical resection, complete mediastinal lymph node dissectionThoracotomy, surgical resection, systematic sampling of mediastinal lymph nodes532Overall 5 year survival