Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy with unchanged fractures of the 2 superior most wires . Heart size is normal . Mediastinal and hilar contours are unchanged . Mild probe vascular congestion is present . Patchy opacities are seen within the right mid lung field as well as within both lung bases , not substantially changed in the interval , and may be reflective of chronic or recurrent aspiration . No pleural effusion or pneumothorax is present . Calcifications in the right upper quadrant of the abdomen likely reflect cholelithiasis .
    OUTPUT:
    
1 . Patchy opacities in the right mid lung field as well as both lung bases , similar to the previous exam , may reflect chronic or recurrent aspiration . 2 . Mild pulmonary vascular congestion . 3 . Cholelithiasis .