Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral chest radiograph is compared to radiograph dated ___ . Heart is stably enlarged without evidence of pulmonary edema . There is no pleural effusion or pneumothorax . Mediastinal and hilar contours are stable in appearance . Visualized osseous structures demonstrates no acute abnormality .
    OUTPUT:
    
Stable cardiomegaly . No evidence of pulmonary edema .