What does a basal cystic beonchiectasis means please?

Disease lung bases: Cystic bronchiectasis, saccular, irreversible form of bronchiectasis or dilated bronchi, that extend to the pleural surface; air-fluid levels are commonly present.Bronchiectasis typically presents with recurrent chest infections, production of copious amounts of sputum and haemoptysis (blood).Causes of bronchiectasis (include infection( fungi, bacteria, adenovirus), congenital, cystic fibrosis).

Chronic lung cond: Bronchiectasis is a chronic inflammation of the airway walls leading to weakening & dilatation, which causes buildup of mucus, bacterial overgrowth & further damage. Your description suggests it involves the lower portion of lungs & has some cystic areas. Please ensure that you have undergone testing for underlying cause (esp CF & others). See a pulmonologist for long term treatment plan & testing.