Tracheostomy and venovenous extracorporeal membrane oxygenation for difficult airway patient with carinal melanoma: A case report and literature review

Figure 1 Preoperative chest computed tomography images of patient. A: Axial view; B: Coronal view. These computed tomography images show a large tracheal protruding mass (orange arrow) at the carinal level, approximately 3.0 cm in size, causing nearly total obstruction of the left main bronchus and left lung hyperinflation.