EGFR and colonic neoplasm: Further, while the maximal effects of HT, as single compound, occur at concentrations borderline between physiological and pharmacological setting (100 μM), in the combination with the cetuximab, HT effects occur at physiological/nutritional setting (10 μM), suggesting that a controlled diet containing olive oil, during chemotherapy of colon tumor might enhance the effects of EGFR inhibitors.