NCIt definition : The surgical removal of all or part of a lung and some surrounding tissue, including
a portion of the pericardium, a portion of the diaphragm, and a portion of the parietal
pleura.;
Alternative definition : NCI-GLOSS: Surgery to remove a diseased lung, part of the pericardium (membrane covering
the heart), part of the diaphragm (muscle between the lungs and the abdomen), and
part of the parietal pleura (membrane lining the chest). This type of surgery is used
most often to treat malignant mesothelioma.;