Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . Streaky opacities in the left lower lobe appear probably unchanged and suggest minor atelectasis although a small component of suspected lingular atelectasis appears new . However , there is no evidence for congestive heart failure convincing evidence for pneumonia . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .