Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation . There is linear atelectasis in the bilateral lung bases , new , but no definitive consolidation seen . Potentially left lower lobe consolidation is a possibility . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . Multiple old healed right rib fractures are again noted . Lower thoracic compression deformities may be slightly worsened , however evaluation is slightly limited due to overlying atelectasis .
    OUTPUT:
    
1 . New bibasilar areas of atelectasis , with potentially present left lower lobe consolidation . 2 . Lower thoracic compression deformities may be slightly worsened , however evaluation is slightly limited due to overlying atelectasis . Dedicated thoracic spine radiographs could be performed if patient is symptomatic . 3 . Old rib fractures .