Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and cardiac valve replacement . The inferior - most wire appears to be fractured on the lateral view , as was also the case on the prior study . The cardiac mediastinal silhouettes are stable . No focal consolidation is seen . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Cardiomegaly . No focal consolidation or pleural effusion .