Fig. 5From: Role of Synaptophysin, Chromogranin and CD56 in adenocarcinoma and squamous cell carcinoma of the lung lacking morphological features of neuroendocrine differentiation: a retrospective large-scale study on 1170 tissue samplesUnivariate OS and DFS analysis of SqCC cases with regard to positivity and negativity of neuroendocrine marker. Overall positivity was defined as positivity for ≥1 neuroendocrine marker. NM, neuroendocrine marker; OS, overall survivalBack to article page