While both mesothelioma and non-small cell lung cancer (NSCLC) can present as serious respiratory illnesses, they have distinct origins. Mesothelioma is a rare cancer that arises from the surface of the lungs' pleura. https://jaysongjos084511.wikidank.com/1669212/mesothelioma_vs_non_small_cell_lung_cancer_understanding_the_difference