highly significantp <0.00001
Besides, we use the Pearson Chi-Square test to evaluate the distribution of FIGO stages I, II, III, IV among expansile and infiltrative tumors, and found there was a highly significant association between tumor type and FIGO staging (Pearson chi2(3) = 110.9206, p <0.00001) Figure 4D . 3.3.4 Publication bias Publication bias was investigated by Begg’s funnel plots.