Specifically, when tumor thickness was less than 1.0 mm (<0.8–1.0 mm), the average number of intratumoral CD68+ macrophages was 29.7 ± 4.3 cells, whereas at a thickness greater than 4.0 mm, this value increased to 70.3 ± 6.4 cells. This evidence concerns the gene CD68 and neoplasm.