Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs demonstrate unchanged mild cardiomegaly and vascular congestion . The lungs are otherwise clear , without focal consolidation . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . No acute cardiopulmonary abnormality . 2 . Unchanged mild cardiomegaly and vascular congestion .