renal hilus的用法和樣例：
例句
- On either side, the ipsilateral colon is mobilized to expose the renal hilum.
左側的同側結腸應被移開暴露腎門。 - The tip of the suction cannula allows atraumatic, blunt and gentle dissection of the posterior aspect of the renal hilum, carefully avoiding any lumbar vessels in this area.
吸引套管的尖端需要無創傷的，鈍圓的並能在腎門後面進行大體解剖分離，在此區域需避免腰血管損傷。
