Foods that have roughly the same number of calories from fats, calories, and protein will be found closer to the center of the pyramid. Read more about the Caloric Ratio Pyramid. Caloric Ratio Pyramid for Grapefruit, raw, pink and red, all areas. This feature requires Flash player to be installed in your browser.
Causes of Pleural Thickening. Pleural thickening is a condition of the lungs that is most often caused by the long term exposure and inhalation of asbestos particles which then settle on the pleura, or pleural membrane (the thin area surrounding the lungs) causing the area to thicken, calcify and/or scar.
Areas of Expertise. Malignant Pleural Effusion. Cancer that spreads into the pleural cavity, or the space between the lung and the chest wall, can create fluid or a pleural effusion. This process can occur from lung cancer, mesothelioma, or other types of cancers.ancer cells of many types can gain entry into the pleural cavity, and many times cause the accumulation of fluid known as a pleural effusion. This is due to cancer cells plugging the microscopic drainage sites in the pleural lining where the body can normally absorb fluid.