Poor OS correlated with positive lymph node status (P=0.013), EGFR (P=0.006), p110α (P=0.079), pAkt overexpression (P=0.042), tumour stage (P=0.003), and tumour relapses in the liver (P=0.059) or in CNS (P=0.005). Here, EGFR is linked to neoplasm.