The percentage of tumours positive for GLUT-1 in 30 studies is reported in Figure 3 [23,45,51,52,53,54,55,56,57,58,59,60,61,62,63,64,66,67,68,70,71,72,73,74,75,76,77,78,79,80]. Here, SLC2A1 is linked to neoplasm.