Located within or affecting the bronchi, the main air passages that branch into the lungs, rather than outside or around them.
From Greek 'endo-' (within) + 'bronchos' (windpipe) + '-ial' (relating to). This medical term precisely locates pathology inside the bronchial tubes rather than in surrounding tissues.
When doctors see a tumor 'endobronchial' on an X-ray, they know it's growing inside your air passages where it blocks breathing—different treatment than if it were pressing from outside.
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