Several other cannulas are inserted to allow the surgeon to work inside and remove part of the colon.
病人的腹部还要放入其他的套管，用于让外科医生用于实施手术、切除部分结肠。
2
The entire procedure may be completed through the cannulas or by lengthening one of the small cannula incisions.
全部手术可以完全利用套管进行或者需要扩大其中一个套管的切口。
3
Several cannulas are placed in different locations on your abdomen to allow your surgeon to place instruments inside your belly to work and remove your spleen.