Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . Streaky opacities at the lung bases on the frontal view may reflect minimal subsegmental atelectasis . There is no focal consolidation worrisome for pneumonia , pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .