Portal vein was invaded in 3 cases and presented as infiltration, stegnosis or occlusion of the vein.
肿瘤侵及门静脉3例，表现为门脉侧壁浸润、门脉缩窄或闭
。
Portal vein was invaded in 3 cases and presented as infiltration, stegnosis or occlusion of the vein.
肿瘤侵及门静脉3例，表现为门脉侧壁浸润、门脉缩窄或闭。
：以上例
、词性分
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