Heavy smoker, being investigated for COPD
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There is an accessory bronchus arising from the right tracheal wall above the carina.
The lungs are clear.
Tracheal bronchus (also known as pig bronchus), is an accessory bronchus that arises from supracarinal trachea. It has an incidence of 0.1 % to 5% and arises most often from the right side of the trachea..
Tracheal bronchus was first described by Sandifort in 1785 as a right upper lobe bronchus arising from the trachea.
HRCT was done to investigate for COPD or ILD. The HRCT shows no evidence of COPD or ILD.
Special thanks to Dr. Tamer Elholiby