In stage I non-small cell lung carcinoma [49], oral squamous cell carcinoma [50], breast carcinoma [51], thyroid carcinoma [52], and laryngeal carcinoma [53], the overexpression of both GLUT1 and GLUT3 genes and proteins has been reported to be associated with poor survival. The gene discussed is SLC2A3; the disease is thyroid gland carcinoma.