Interior of the cecum and lower end of ascending colon with the ileocecal valve labeled as colic valve. Endoscopic image of cecum with arrow pointing to ileocecal valve in foreground.
Lung cancer is a malignant tumour that starts in the cells of the lung. Malignant means that it can spread, or metastasize, to other parts of the body. When cancer starts in lung cells, it is called primary lung cancer. The lung is part of the respiratory system. You use your lungs when you breathe.
Fluid on the lungs (pleural effusion). When cancer affects the lungs, fluid can sometimes collect between the sheets of tissue that cover the outside of the lung and the lining of the chest cavity. These sheets of tissue are called the pleura.You can see the pleura (in red) in the diagram below.reatment for fluid on the lung. You can have treatment to stop fluid from building up and help relieve symptoms. This treatment is called pleurodesis. It seals the space between the tissues covering the lung by using sterile talc to make them inflamed so they stick together.