Fig. 2From: An unusual tracheal foreign body in a middle-aged male with a 15-year history of coal use: a case reportThe patient again underwent CT examination and fiberoptic bronchoscopy one month after the operation. a An axial CT image shows that the tracheal cavity was regular after the original foreign body was removed. b Fiberoptic bronchoscopy reveals that the tracheal cavity was slightly narrow, but the tracheal mucosa was normalBack to article page