Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are clear , without focal consolidation , pleural effusion , or pneumothorax . Prominence of interstitium likely relates to overlying soft tissue . Heart size is top normal but unchanged from prior studies . The mediastinal silhouette is unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .