Fig. 4From: The importance of extranodal extension in penile cancer: a meta-analysisFunnel plot for all studies included in this meta-analysis. a and b funnel plot assessing ENE and cancer specific survival and overall survival, respectively; c funnel plot assessing ENE and pelvic lymph node metastasis in penile cancer patients. ENE, extranodal extension; SE, standard errorBack to article page