A.30%~40% B.40%~50% C.50%~60% D.60%~70% E.70%~80%
A.隆起 B.龕影 C.黏膜柔軟無破壞 D.環(huán)堤 E.項圈征
A.胃癌 B.慢性胃竇炎 C.胃潰瘍 D.胃淋巴瘤 E.胃間質(zhì)瘤