Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is a tiny left pleural effusion but no pneumothorax . There is slight irregularity of the left lateral seventh rib . Cardiac and mediastinal silhouettes are normal .
    OUTPUT:
    
Tiny left pleural effusion with slight irregularity of the left lateral seventh rib . Correlation with physical exam is recommended to exclude a rib fracture with adjacent pleural effusion .