Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is decreased compared to the prior study , but remains mildly enlarged . Mediastinal and hilar contours are within normal limits . There is no pulmonary vascular congestion . No focal consolidation , pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process . Mild cardiomegaly , decreased in size compared to the prior study .