Tumour associated macrophages (TAMs) comprised 14.3% (+/- 1.6%) of all viable cells, while tumour infiltrating lymphocytes (TILs) were scarce; CD4+ and CD8+ TILs accounted for 1.4% (+/- 0.7%) and 1.8% (+/- 0.2%), respectively. This evidence concerns the gene CD4 and neoplasm.