Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest demonstrate the lungs are well expanded and clear . Mild cardiomegaly is unchanged . The cardiomediastinal silhouette is otherwise unremarkable . There is no pleural effusion , pulmonary edema , pneumothorax or focal consolidation concerning for pneumonia . A hiatal hernia is again seen , an unchanged .
    OUTPUT:
    
Stable mild cardiomegaly . No acute cardiopulmonary process .