A.胃竇 B.胃小彎 C.胃大彎 D.胃底 E.全胃
A.11%~30% B.31%~40% C.41%~50% D.51%~60% E.61%~70%
A.穿孔 B.出血 C.梗阻 D.癌變 E.低鈣血癥