<prompt> Bronchiectasis means ...of bronchi -InflammationDilatationCavitationAll  <response>: Ref:Textbook of pathology Harsh mohan6th edition, page no.484 BRONCHIECTASIS Bronchiectasis is defined as abnormal and irreversible dilatation of the bronchi and bronchioles greater than 2 mm in diameter developing secondary to inflammatory weakening of the bronchial walls. The most characteristic clinical manifestation of bronchiectasis is persistent cough with expectoration of copious amounts of foul-smelling, purulent sputum. Post-infectious cases commonly develop in childhood and in early adult life. 