Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy , and multiple mediastinal surgical clips and coronary artery stents are noted . There is mild central pulmonary vascular congestion , and the cardiac silhouette is stable in size . No focal consolidation , pleural effusion or pneumothorax is seen . Calcifications along the aortic knob are again noted . There has been interval removal of a right PICC . Left axillary surgical clips are also noted .
    OUTPUT:
    
Mild central pulmonary vascular congestion .