Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , mild cardiomegaly is improved . There is no vascular congestion or pulmonary edema . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen .
    OUTPUT:
    
No pneumonia . Previous mild cardiomegaly has improved , without vascular congestion or pulmonary edema .