TFAP2C and neoplasm: Furthermore, while TFAP2A and TFAP2C overexpression were significantly correlated with SqD in the TCGA cohort (p = 8.28E−10 and p = 0.00457, respectively; Wilcoxon Rank sum; Supplementary Fig. S6), neither was associated with tumor stage, presence of lymph node metastases, lymphovascular invasion or vital status in the TCGA cohort (Supplementary Fig. S6).