And so, by inserting a tube and a camera through the tube, we can unroof this air cell and we are right at the pituitary base, and we can take out a tumor without having to disrupt normal anatomy of the skull.

所以，通过插管子和个摄像头，可以打这个空气细胞，到了垂体底，可以取出个肿瘤，同时不破坏头骨的正常解剖。