CEACAM5 and lung cancer: Indeed, numerous clinical trials of CAR-T regarding lung cancer have been initiated including tumor-associated antigen (TAA) of EGFR (NCT02862028, NCT01869166), HER2 (NCT00889954, NCT01935843), carcinoembryonic antigen (CEA) (NCT01723306, NCT02349724), and mesothelin (MSLN) (NCT01583686, NCT03054298).