While both mesothelioma and non-small cell lung cancer (NSCLC) can present as serious respiratory illnesses, they have distinct causes. Mesothelioma is a rare cancer that arises from the membrane of the lungs' pleura. https://lawsonqsdz617086.wikibyby.com/1702337/mesothelioma_vs_non_small_cell_lung_cancer_understanding_the_difference