Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation , effusion , or edema . The cardiac silhouette is mildly enlarged , though similar compared to prior . Atherosclerotic calcifications noted at the aortic arch . No acute osseous abnormalities .
    OUTPUT:
    
Cardiomegaly without acute cardiopulmonary process .