Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A stimulator device projects over the left upper hemithorax . The cardiac , mediastinal and hilar contours appear stable . Chronic - appearing right - sided remodeled rib deformities appear unchanged . The lungs appear clear aside from a minimal streaky atelectasis in the right mid lung . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .