<prompt> IOC for Bronchiectasis :HRCT scanSpiral CTBronchoscopyPulmonary angiography  <response>: Ans.a HRCT scanRef: Harrison 19th ed. 308e-3f 1694 The best test to evaluate the destruction and dilatation of large airways which are filled with pus in Bronchiectasis is HRCT Spiral CT is preferred for pulmonary embolism Pulmonary angiography is done for lung sequestration and is gold standard for pulmonary embolism. 