Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An electronic device again projects over the left anterior hemithorax within subcutaneous soft tissues . The cardiac , mediastinal and hilar contours appear stable . Mitral annular calcifications are again present . Streaky opacities have decreased and suggest minor atelectasis or scarring at the left lung base . Otherwise , the lungs appear clear . There are no pleural effusions or pneumothorax . Degenerative changes are similar along the thoracic spine .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .