IHC/IF evaluations also identified accompaniment of T cells within the TIL-B clusters in the melanoma TME, prominent in peritumoral areas (Figure 3(c)), and established a positive correlation between CD20+ TIL-B and CD3+ TIL-T densities among tumors (N = 6) (Figure 3(d)). The gene discussed is MS4A1; the disease is melanoma.