Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no focal consolidation , effusion , or pneumothorax . Cardiomegaly is mild and accompanied by pulmonary vascular congestion . The cardiomediastinal silhouette is otherwise normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
No evidence of pleural effusion or pneumonia .