Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is moderately enlarged . The mediastinal and hilar contours are stable . There is no pneumothorax or large pleural effusion . The lungs are well expanded without definite focal consolidation . Pulmonary vasculature is within normal limits . Healed right upper lateral rib fractures are noted .
    OUTPUT:
    
No definite aspiration or pneumonia .