CD4 and neoplasm: Inversely, a lower proportion of Th2 (IL-4+ CD4+ T cells) cells was detected in both tumor types compared to NS (BCCs, median: 8.3%, range: 2.4–15.6; SCCs, median: 7.3%, range: 3.7–13.1; NS, median: 19.2%, range: 9.4–30.9; Table 3; Figure 2D).