5 to shape so as to form the contour of something. 6 to mark contour lines on. 7 to construct (a road, railway, etc.) to follow the outline of the land. (C17: from French, from Italian contorno, from contornare to sketch, from tornare to turn)
Pleural effusion, also called âwater on the lung,â is an excessive buildup of fluid between your lungs and chest cavity. Thereâs always a small amount of liquid inside your lungs.This fluid works to coat the membranes (pleura) that line the outside of your lungs and lubricate the chest cavity to aid in breathing.he pleura creates too much fluid when itâs irritated or infected. This fluid accumulates in the chest cavity outside the lung, causing whatâs known as pleural effusion. Certain types of cancer, such as lung, breast, and ovarian cancers, can cause pleural effusions. Lymphoma and mesothelioma can cause them too.
Lung Problems. As with the heart, fluid accumulation around the lungs can also cause shortness of breath and tachycardia. This fluid accumulation, known as pleural effusion, may be caused by an infection or irritation of lung tissue.Other lung problems include pneumonia, upper respiratory infections, blood clots and a collapsed lung.ung Problems. As with the heart, fluid accumulation around the lungs can also cause shortness of breath and tachycardia. This fluid accumulation, known as pleural effusion, may be caused by an infection or irritation of lung tissue.