<P> In radiology , the tree - in - bud sign is a finding on a CT scan that indicates some degree of airway obstruction . </P>
<P> In radiology , the tree - in - bud sign is a finding on a CT scan that indicates some degree of airway obstruction . </P>
tree in a bud appearance in ct scan
tree in a bud appearance in ct scan
indicates some degree of airway obstruction
indicates some degree of airway obstruction