Although the counts of CD4+ naïve T cells were comparably elevated in both ‘A’ and ‘B’ groups relative to ‘C’, the CD4+ memory T-cell score appeared to be increased only in ‘A’ group suggesting that not only CD4+ cells are increasingly recruited at the tumor site, but in contrast to ‘B’, group ‘A’ tumors exhibited a more efficient immune response development as well. This evidence concerns the gene CD4 and neoplasm.