The BCC expression of TRPC4 was also significantly lower in BCC than in epidermal (p < 0.001 Kruskal–Wallis and post hoc Bonferroni tests) and dermal parts of MMs (p < 0.012 Kruskal–Wallis and post hoc Bonferroni tests). Here, TRPC4 is linked to skin basal cell carcinoma.