Complications were occurred in 15, 5% of cases, in which ulceration was the most common (7, 8%), hemorrhage was very rare (0, 4%).
Biến chứng gặp trong 15,2% các trường hợp, trong đó loét hay gặp nhất (7,8%), chảy máu nhẹ hiếm gặp (0,7%).