Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Streaky opacity at the left lung base is consistent with minor atelectasis . Otherwise , the lungs appear clear . Lung volumes are low . There is no pleural effusion or pneumothorax . The cardiac , mediastinal and hilar contours appear unchanged . Bony structures are unremarkable . Surgical clips project over the right upper quadrant of the abdomen .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .