Bronchiectasis, chronic airway dilation, airway remodeling, mucus accumulation, chronic cough, sputum production, recurrent infections, bacterial colonization, inflammation, bronchial wall thickening, airway obstruction, respiratory distress, lung scarring, Pseudomonas aeruginosa, Haemophilus influenzae, Aspergillus fumigatus, Streptococcus pneumoniae, airway clearance,