<prompt> Answer this question truthfullyWhat role does CT play in the diagnosis of pneumonia?  <response>: <reason> A chest CT could be useful when a chest x-ray has inconclusive signs of pneumonia but the clinical manifestation suggest pneumonia. CT findings in pneumonia include: Airspace consolidation Ground-glass opacities Pleural effusion Hilar andor mediastinal lymphadenopathy Bronchiectasis Tree-in-bud appereanceA chest CT can also help to assess reasons for therapy failure and complications, such as lung abscess, and pleural effusions. 