While both mesothelioma and non-small cell lung cancer (NSCLC) can present as serious respiratory illnesses, they have distinct causes. Mesothelioma is a rare disease that arises from the surface of the lungs' pleura. https://neilhsfm259393.blogspothub.com/35775739/mesothelioma-vs-non-small-cell-lung-cancer-understanding-the-difference