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Airway luminal areas for BPD patients and their matched healthy controls, with values presented as absolute airway size (A) and airway size relative to patient height (B). Trach, trachea; RMB, right main bronchus; RUL, right upper lobe; BrINT, bronchus intermedius; LMB, left main bronchus; LUL, left upper lobe; LLL, left lower lobe.
