Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are unremarkable . Surgical clips are again seen within the right neck . There is no pneumothorax , pulmonary edema , or pleural effusion . No focal consolidation is identified . Old healed right posterolateral and left rib fractures are unchanged compared to prior exams .
    OUTPUT:
    
No acute cardiopulmonary process .