Likewise, T helper cell (CD4+HLA-DR+) frequency was also greater in BCC (40.68% ± 5.05% [n = 8]) than in SCC (33.96% ± 3.25% [n = 13]) and normal skin (26.30% ± 5.23% [n = 5]). This evidence concerns the gene CD4 and skin basal cell carcinoma.