侧壁

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，门脉侧壁浸润、门脉缩窄或闭塞。

If the emitter ledge is too thick, current will flow through the undepleted ledge, which increases the emitter-size effect.

不适当的射突出部厚度，将会在射突出部侧壁造成严重的面复合。