Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs again demonstrate a mildly enlarged cardiac silhouette , slightly exaggerated by low lung volumes . There is no focal consolidation , pleural effusion , or pneumothorax . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process . Mildly enlarged cardiac silhouette as before , exaggerated by low lung volumes .