Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly and pulmonary vascular congestion without associated pulmonary edema appear similar to prior studies . There is no pleural effusion , focal consolidation , or pneumothorax . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
Unchanged moderate cardiomegaly and pulmonary vascular congestion without frank edema .