NXN and cancer: The immunohistochemical scores (Milan8R antibody) revealed that there was significantly stronger staining of cancer cell nuclei in TRG4 tumors than in TRG1-3 tumors (Mann-Whitney test: p = 0.0007) and the difference between TRG1 and TRG4 tumors was significant at the p = 0.0001 level (Figure 4A and Table 1).