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【单选题】
胃溃疡的征象中，下列叙述最为恰当的是A.
胃溃疡可以见到龛影，其形态可以多变，可呈乳头状、半圆形或锥形
B.
根据龛影周围水肿带的不同可以有黏膜线、项圈征和狭
C.
溃疡周围黏膜可以呈放射状改变，为溃疡修复性改变
D.
可以引起胃的变形，幽门梗阻可导致胃扩张和胃潴留
E.
以上叙述都正确
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A.
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B.
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C.
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D.
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