Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette continues to be moderately enlarged . Low lung volumes accentuate the pulmonary vasculature . There are no overt signs of pulmonary edema or pleural effusion . There are no focal opacities or pneumothorax . The mediastinal contours are normal .
    OUTPUT:
    
No acute cardiopulmonary process .