Fig. 6

The relationship between TOP2A expression and clinical parameters. a Relative TOP2A expression in lung adenocarcinoma. And the association between TOP2A expression and adenocarcinoma, b patients age, c gender, d race, e smoking status, f tumor stage and g lymph node metastasis. h Relative TOP2A expression in lung squamous cell carcinoma. And the association between TOP2A expression and squamous cell carcinoma i patients age, j gender, k race, l smoking status, m tumor stage and n lymph node metastasis. *P < 0.05, **P < 0.01, ***P < 0.001. (The first layer asterisk which is right above the error bar representing comparison to normal group, and the above layers asterisk which were above a secondary line represent the comparison between corresponding groups that were covered by the line)