Of interest, no associations were seen between tumour lymphocytic infiltration and KRAS or BRAF mutational status, neither with mRNA expression of any of the immune response genes (CD3Z, CD8, CD4, CXCL9, CXCL13, IGHM and FOXP3), SNAI2 or ESR1. The gene discussed is SNAI2; the disease is neoplasm.