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A 71-year-old woman with airway stenosis due to invasion of EC. (A) 3D CT reconstruction image showed that the stenotic region of airway was compressed by the tumor. The narrow airway included the carina, LMB, RMB, and the BI; (B) the patient-specific airway mold was manufactured by a 3D printer based on 3D CT reconstruction. EC, esophageal cancer; 3D, three-dimensional; CT, computed tomography; LMB, left main bronchus; RMB, right main bronchus; BI, right main bronchus.
