Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single semi-upright portable view of the chest was obtained . There are areas of linear / streaky bibasilar opacity . No focal consolidation is seen . There is no pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes are stable and unremarkable . There is no evidence of free air beneath the diaphragms .
    OUTPUT:
    
No evidence of free air beneath the diaphragms . Bibasilar atelectasis .