"iatrogenic, e.g. post-surgical"
"There is an overlap in the use and description of the terms paratracheal air cyst and a tracheal diverticulum in the literature such that they often seem to be synonyms for the same entity, which they are not 1,5."
"Zenker diverticulum"
Expected headings
"Associations"
"There is an overlap in the use and description of the terms paratracheal air cyst and a tracheal diverticulum in the literature such that they often seem to be synonyms for the same entity, which they are not 1,5."