1.   An unnecessary operation was deemed to be one that was performed without pathological evidence of surgically remediable disease.

2.   He was like a robot kitchen helper, he sometimes thought, who performed acts without understanding what he was doing.

3.   Its duties are performed without executive leave and, in the contemplation of the statute, must be free from executive control.

4.   The comedian expressed doubts about his ability to perform without a live audience, but agreed to do it.

5.   Thyroidectomy was performed without problem or need for blood transfusion.

6.   One of these patients required a later hepaticojejunostomy, which was performed without any problem related to the stent in place.

7.   They are all more aggressive than treatment with laser and carry a higher risk of complications and only cryotherapy can be performed without general anaesthesia.

8.   All perforations occurred in patients with long, eccentric, and tight strictures in whom, after the first few sittings, dilatation was performed without fluoroscopic control.

9.   Its latest display was performed without even a fire extinguisher, but a top stuntman has warned that the act is highly dangerous.