Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Linear opacities at the lung bases likely represent atelectasis . There is no focal consolidation to suggest pneumonia . Cardiomediastinal and hilar contours are unchanged . ___ paralleling the thoracic vertebral bodies are again noted . There is no pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .