Letter to the Editor
                                    A challenging case of transcatheter aortic valve implantation under left main coronary artery protection
                                    
                                    
                                                                                                                                    1Clinic of Cardiology, Ahi Evren Chest and Cardiovascular Surgery Education and Research Hospital, Trabzon-Turkey
2Clinic of Cardiology, Ahi Evren Cardiovascular and Thoracic Surgery Training and Research Hospital, Trabzon
                                                                                                                        
                                    
                                2Clinic of Cardiology, Ahi Evren Cardiovascular and Thoracic Surgery Training and Research Hospital, Trabzon