In contrast, there were no differences of LAT4 and 4F2hc mRNA expression between tumor and non-tumor tissues (LAT4: 0.79 ± 0.53 versus 0.87 ± 0.53, P = 0.2199, Figure 1D; 4F2hc: 0.55 ± 0.39 versus 0.81 ± 0.85, P = 0.1496, Figure 1E). The gene discussed is SLC3A2; the disease is neoplasm.