chemoprevention at the population level. Although a substantial percentage of U.S. women (18.7%) would be eligible for breast cancer chemoprevention with tamoxifen, based on FDA indications, a much smaller percentage (4.9%) would have an estimated net benefit based on their age and breast cancer risk factors.
For other uses, see Rapport (disambiguation). Rapport is a close and harmonious relationship in which the people or groups concerned understand each other's feelings or ideas and communicate well.
Consider a Tv displaying a scene, the viewport is simply the area of the scene that is captured by the camera. Another way of thinking about it is the way some cameraman hold up their thumbs and index fingers to 'frame' a scene, or hold up a hollow picture frame, the light that passes through that frame is the viewport. For a visual example, consider this gif, the green rectangle is the viewport: share | improve this answer.