The aim of the project was to explore large extracellular vesicles capacity to seperate non lung cancer from lung cancer cases. A case control study of patients suspected for lung cancer (12 non lung cancer and 12 lung cancers). The raw files are labeled according to clinical status. Small and large extracellular vesicles were isolated by differential centrifugation. The proteome of full BAL, vesicle depleted BAL, small and large extracellular vesicles were characterized by LC-MS. Small extracellular vesicles were further analyzed by nanoparticle tracking analysis, Transmission electron microscopy and western blots.