L1CAM and lung cancer: Several other identified TAAs for lung cancer, like the folate receptors α and β, tyrosine kinase receptor EphA2, phosphatidylinositol proteoglycan 3 GPC3, CD44v6, Lewis-Y antigen, IL-13Rα2, L1 cell adhesion molecule (L1CAM) and disialoganglioside GD2, are yet to be tested.81,82