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 left base likely reflect atelectasis . There is no pleural effusion or pneumothorax . Surgical clips are re - demonstrated in the right upper quadrant of the abdomen .
    OUTPUT:
    
Streaky opacities at the base of the left lung likely reflect atelectasis however consider infection in the appropriate setting .