CD4 and cutaneous melanoma: Also, we found that ERBB1/2/3 and immune infiltration cells (B cells, CD4+ T cells of CD8+ T cells, macrophages, neutrophils, and dendritic cells) influenced the 5 years survival of patients with cutaneous melanoma, while ERBB4 may not affect the 5-year survival of cutaneous melanoma patients (Figure 7B).