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 lining of the lungs' pleura. https://safiyabwsk875355.angelinsblog.com/35811485/differentiating-mesothelioma-and-non-small-cell-lung-cancer