In cancer samples, we observed significant correlations between FABP4 and FABPpm (p = 0.009, r = 0.490), FATP4 and MCT1 (p = 0.009, r = 0.489), FATP4 and FABPpm (p = 0.0004, r = 0.636), and SNAT1 and GLUT1 (p = 0.005, r = 0.527) (Figure 3). This evidence concerns the gene SLC38A1 and cancer.