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，通过插入根管子和像头，我可以打这空气细胞，我垂体底部，我可以取出肿瘤，同时不破坏头骨的正常解剖。