1.   He needed surgery to cure a troublesome back injury.

2.   Surgery cured that problem.

3.   Such a test might identify women whose cancer was cured by surgery alone, thereby sparing tens of thousands of women the rigors of chemotherapy.

4.   Treatments for lung cancers that cannot be cured by surgery alone are better today.

5.   Walsh, who is convinced that surgery can cure early-stage prostate cancer, is not participating in the clinical trial.