during clinical observation or on autopsy in 30 cases complications were found in the form of subcutaneous and mediastinal emphysema or pneumothorax , narrowing or chondromalacis of the trachea , granuloma formation , decubitus ulcers in the trachea with or without bleeding , and haemorrhagic-ulcerative tracheitis .
C0040578
trachea
C0040584
tracheitis