Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No definite focal consolidation is seen . No large pleural effusion . The cardiac silhouette is at least mildly enlarged . No pneumothorax . No overt pulmonary edema . Subtle early appearance of eight - shaped vertebra involving the thoracic spine , correlate with history of sickle cell disease . Right upper quadrant surgical clips are from presumed cholecystectomy .
    OUTPUT:
    
Mildly enlarged cardiac silhouette without overt pulmonary edema .