透视常常显示一个光滑、不对称的十二指肠降段的外在性压迹，伴有或不伴有肠梗阻。
Fluroscopic images often demonstrate a smooth, asymmetric, descending duodenal extrinsic impression, with or without obstruction.
透视常常显示一个光滑、不对称的十二指肠降段的外在性压迹，伴有或不伴有肠梗阻。
Fluroscopic images often demonstrate a smooth, asymmetric, descending duodenal extrinsic impression, with or without obstruction.
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