I have been told that I have metabolic syndrome of the abdominal area. How do I reduce my belly? I have had many surgeries of the abdominal area for testicular ca. And imbilical hernias. The right side of my belly and the center have no muscle tone left

Given . Given that you have had many operations this might be an incisional hernia. Have a physician do an examination assuming that you are not very overweight.
There . There is no specific ways to reduce the belly itself. The smartest thing you could do is to concentrate on losing weight in general. As he becomes thinner overall you will lose some of the visceral fat that's responsible for the appearance of your belly. Remember food in moderation and also exercise such as running elliptical machine or stationary bicycle.