<prompt> Rampal 45 yr old man present with history of recurrent haemoptysis and purulent sputum.his chest X-RAY is normal, which of the following will be the next best investigation for him.?HRCTCT guided angiographyAngiographySpiral CT  <response>: Presence of purulent sputum with recurrent haemoptysis suggests a diagnosis of bronchiectasis. HRCT .is now the diagnostic procedure of choice having repalced bronchiography Ref Harrison 19th edition pg 1710 