Quantitative CT-derived lobar inter-tapering as a candidate imaging feature associated with airway-predominant non-emphysematous COPD
Background Chronic obstructive pulmonary disease (COPD) is a heterogeneous disorder involving varying contributions from airway abnormalities and emphysematous destruction. However, structural airway alterations in patients with airflow limitation but minimal emphysema remain incompletely characterized. Quantitative CT...