Endoscopic features: the tongue-type BE was predominant (87.5%); short segment BE was 81.2%; there was no hernie; endoscopic esophagitis was 43.75% and 50% of patients was infected by Hp.
Về nội soi: Dạng dải chiếm ưu thế (87,5%); Đoạn ngắn chiếm 81,2%; không có thoát vị hoành; 43,75% viêm thực quản và 50% nhiễm Hp.