<prompt> Central bronchiectasis is seen withCystic Adenomatoid MalformationCystic fibrosisBroncho carcinomaTuberculosis  <response>: The distribution . bronchiectasis mar be impoant diagnostically A central - Perihilar allergic bronchopulmonary aspergillosis. Predominant upper lobe o Middle and lower lobe - Cystic fibrosis or one of its variants. Distribution is consistent with PCD Lower lobe involvement is - Middle lobe and lingular segment of the LUL involvement is characteristic of non tuberculous mycobacteria NTM. Idiopathic bronchiectasis REF : OP-GHAI 9th edition 