Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Heart and mediastinal contours appear similar compared to prior with mild cardiomegaly . No focal consolidation , pleural effusion , or pneumothorax is detected . There has been interval decrease in pulmonary vascular congestion .
    OUTPUT:
    
No radiographic evidence for acute cardiopulmonary process .