Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , large effusion or edema . There is no pneumothorax . Cardiomediastinal silhouette is within normal limits for technique . Atherosclerotic calcifications noted at the aortic arch . Anterolateral left fourth , sixth and seventh rib fractures are noted .
    OUTPUT:
    
No acute cardiopulmonary process . Anterolateral left rib fractures are noted but are age indeterminate based on these views . Consider dedicated rib series .