Document Ema24prokwBXxEZpkBrRVmBkR

1 lung and you can actually feel the top of your Page 715 2 airways, feeling your Adam's apple right here, that is 3 the top of the trachea and that runs down this tube 4 and runs down into a series of smaller tubes that are 5 ever decreasing in diameter and all the way out to 6 this black line that you see running around here, that 7 is the pleura. 8 So the pleura is this membrane that makes an 9 airtight sac out of the lungs. And this pleura that 10 you see running all the way around here also has a 11 continuity with the chest wall out here, so this space 12 between the chest wall and the pleura is called the 13 pleural space. 14 When an individual gets a mesothelioma, 15 which is a cancer of the cells lining the pleura, it 16 is generally in this space down here. 17 Then there is also a situation where an 18 individual can have what is called a peritoneal 19 mesothelioma, and that is when you have a cancer of 20 the linings of this body cavity down here. 21 Now, what I want to show you is -- I want to