A.正常食管通過 B.胃排空緩慢 C.食管通過延緩 D.胃-食管反流 E.Barrett食管
A.診斷Budd-Chiarisyndrome B.診斷急性膽囊炎塊 C.判斷是否存在肝外分流 D.診斷原發(fā)性肝癌 E.診斷肝血管瘤
A.5% B.10% C.15% D.20% E.25%