Hanging up the knife.

Describes videolaseroscopy, a technique which makes a small puncture in the navel and inserts a baton-size scope equipped with a tiny video camera and a laser. Scores of surgeons are now using the video laser for routine operations, and Dr. Camran Nezhat claims that `twenty years from now it will be hard to find anyone doing major abdominal surgery.' One tool, many uses; Clinical results; Responses.