EGFR and neoplasm: Considering only CTCs positive patients, EGFR expression in CTCs didn’t show a significant correlation with tumor recurrence (Table 4) In the second detection 28.6% of EGFR+CTC2+ patients presented a recurrence compared to 63.4% of EGFR-CTC2+ patients but the difference was not siginificant (p = 0.335) (Table 4)