1. Volume 66, Issue 6, Pages 1065-1077 (December 2014)
The Impact of the Extent of Lymphadenectomy on Oncologic Outcomes in Patients Undergoing Radical Cystectomy for Bladder Cancer: A Systematic Review 
Harman M. Bruins, Erik Veskimae, Virginia Hernandez, Mari Imamura, Molly M. Neuberger, Philip Dahm, Fiona Stewart, Thomas B. Lam, James N’Dow, Antoine G. van der Heijden, Eva Compérat, Nigel C. Cowan, Maria De Santis, Georgios Gakis, Thierry Lebret, Maria J. Ribal, Amir Sherif, J. Alfred Witjes 
European Urology 
Volume 66, Issue 6, Pages (December 2014)
DOI: /j.eururo
Copyright © 2014 European Association of Urology Terms and Conditions

2. Fig. 1 Risk-of-bias assessment using the Cochrane risk-of-bias tool.
ASA = American Society of Anesthesiologists.
= High risk of bias.
= Low risk of bias; the variable was either balanced between the groups (assessed as no or small imbalance) or was adjusted for in the analysis.
= Unclear risk of bias.
European Urology  , DOI: ( /j.eururo )
Copyright © 2014 European Association of Urology Terms and Conditions

3. Fig. 2 Flow diagram of studies identified, excluded, and included.
European Urology  , DOI: ( /j.eururo )
Copyright © 2014 European Association of Urology Terms and Conditions