Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is stable , consistent with mild cardiomegaly . Lungs are clear without focal consolidation , but mildly hyperinflated . There is no pulmonary vascular congestion or pulmonary edema . There is no pneumothorax or pleural effusion .
    OUTPUT:
    
No acute cardiopulmonary process . Mild cardiomegaly . Mildly hyperinflated lungs .