Adjective
endobronchial (not comparable)
(anatomy) Pertaining to the lining of the bronchi
This is called endobronchial ultrasound, or EBUS. Source: Internet
When a tumor is located, a needle biopsy may sometimes be performed under the guidance of an endobronchial ultrasound, making it possible to obtain tissue from a tumor without the need for an open lung biopsy. Source: Internet