1.   An unnecessary operation left him severely disabled.

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

3.   This is achieved by eliminating not only functionless parts but also unnecessary machining operations and simplifying the shape of the sand castings.

4.   That was followed by an unnecessary operation to remove her appendix and the eventual discovery of a contraceptive device left inside her body by mistake.

5.   A locum consultant failed to spot the result of her earlier test and arranged for a totally unnecessary exploratory operation.

6.   According to some physicians, however, lack of knowledge is not the only reason unnecessary operations still are being performed.

7.   Chiles came from a long tradition of elected officials who considered the party machine a useless operation unnecessary to their own political victories.

8.   Early screening meant that many children were having unnecessary operations for tumors that would never have harmed them, while those whose lives were at risk were not helped.