Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well - expanded and clear , with no pneumothorax , pleural effusion , pulmonary edema , or focal airspace consolidation . Eventration of the right hemidiaphragm is noted . The cardiomediastinal silhouette is unremarkable . Healed fractures of the posterolateral right fourth , fifth , and sixth ribs are noted .
    OUTPUT:
    
No acute findings .