case_images: PMC9423117_01
case_images: Preoperative examination revealed the intra-tracheal tumor by fiberoptic bronchoscopy.
case_images: IMCRJ-15-443-g0001.jpg
case_images: PMC9423117_01_IMCRJ-15-443-g0001.jpg
case_images: f0001
case_images: FOB showed a lobulated hemorrhagic mass obstructing the airway, with contact bleeding and sputum (Figure 1).
case_images: T2 weighted magnetic resonance imaging of upper tracheal tumor. (A) Sagittal view and (B) transverse view.
case_images: IMCRJ-15-443-g0002.jpg
case_images: PMC9423117_01_IMCRJ-15-443-g0002.jpg
case_images: f0002
case_images: The chest magnetic resonance imaging showed a 2.7 x 2.5 cm-sized well-enhancing lobulated neoplasm in the upper posterior trachea, 2-3 cm below the vocal cords causing 80% obstruction (Figure 2).