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.
A: There are two major types of the causes of pleural effusion: transudative and exudative. The most common cause of transudative pleural effusions is cirrhosis and left ventricular failure while exudative pleural effusions are caused by pneumonia, cancer, pulmonary embolism and viral infection.hortness of breath, cough, chest pain and fever are general symptoms of pleural effusion. In some cases, the fluid is drained by small tubes while some cases can be treated with chemotherapy, surgery and radiation therapy. Q: I need to know what is pleural effusion caused by.