TCF4 and nasopharyngeal carcinoma: According to Spearman’s rank correlation analysis, 99 cases of positive expression and 26 cases of negative expression of β-catenin and TCF-4 were obtained in a total of 164 cases of NPC tissues, which was suggestive of a positive correlation between β-catenin and TCF-4 (r = 0.408, P < 0.01).