Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrates clear lungs . There is no pleural effusion or pneumothorax . No rib fractures are identified . While the cardiac silhouette is normal in size , it has a slight globular appearance and on the lateral view there is a suggestion of an extra lucency . These findings could represent a small pericardial effusion .
    OUTPUT:
    
Possible small pericardial effusion . Recommend ECHO for further assessment .