Fig. 5
From: Incidental operating room fire from a breathing circuit warmer system: a case report
Post-injury fiber-optic bronchoscopy images. a On the image taken fourteenth days post-injury, significant granulation tissue and secretion are observed in the distal trachea and carina. b On the seventeenth day images, granulation tissue and secretion are reduced compared to before. c On the twenty-first day images, the upper respiratory tract epithelium and mucosa can be seen normalizing. d On the images taken on the thirty-fourth day, the granulation tissue can no longer be observed, and upper respiratory tract epithelium and mucosa recovery is almost complete. RMB right main bronchus, LMB left main bronchus