Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . The heart is moderately enlarged . The lungs appear clear without focal consolidation , effusion , or pneumothorax . The aorta is partially calcified . The bony structures appear somewhat demineralized , though appear intact . No free air below the right hemidiaphragm . Prominence of the central pulmonary hila is unchanged and previously attributed to pulmonary arterial hypertension .
    OUTPUT:
    
Moderate cardiomegaly . Otherwise , no acute findings .