IL13RA1 and cancer: The cut-off points have the highest area under the curve (AUC) to predict cancer-related death of patients, and the cut-off points for Nu-IL4Rα, Cy-IL4Rα, Nu-IL13Rα1, and Cy-IL13Rα1 were 8, 11, 9, and 14, respectively (Figure 1B).