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当前学科：外科疾病
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发病已数日且合并炎性包块的阑尾炎经保守治疗后，待多长时间后如仍有症状者，可以考虑切除阑尾（）
A . 10天后
B . 1个月后
C . 1个半月后
D . 2个月后
E . 3个月后
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