Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The large hiatal hernia is unchanged . Bilateral pleural effusions are small , if present at all . There is no pulmonary vascular congestion , pulmonary edema , focal consolidation , or pneumothorax . Cardiomegaly is mild .
    OUTPUT:
    
1 . No evidence of volume overload . 2 . Unchanged large hiatal hernia .