Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Lungs are clear . No signs of pneumonia or edema . No large effusion or pneumothorax . Cardiomediastinal silhouette is unchanged with severe cardiomegaly again noted . Bony structures are intact .
    OUTPUT:
    
Cardiomegaly without pneumonia or edema .