Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy . Cardiac and mediastinal silhouettes are stable with stable enlargement of the cardiac silhouette . Mild bibasilar atelectasis is seen . No large pleural effusion or definite focal consolidation . Right apical pleural thickening is re - demonstrated . No pulmonary edema is seen .
    OUTPUT:
    
No significant interval change . Persistent , stable cardiomegaly without pulmonary edema .