Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval improvement since the prior exam . Prior pleural effusions have resolved . The lungs are clear without consolidation or edema . Mild cardiomegaly is noted as well as tortuosity of the descending thoracic aorta . Median sternotomy wires are intact . No acute osseous abnormalities . Surgical clips are noted at the thoracic inlet .
    OUTPUT:
    
Mild cardiomegaly without superimposed acute cardiopulmonary process .