Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are stable . A new right lower lung opacification . The cardio mediastinal and hilar borders are stable . The pleural surfaces are stable . The left pacemaker is intact with leads in appropriate positions . Again seen , is destruction in the second sternotomy wire . The OG tube appears to be malpositioned proximally lying in the proximal fundus of the stomach . The right PICC line terminates in the mid SVC . The osseous structures are stable .
    OUTPUT:
    
1 . New right lower lung opacity may represent aspiration , less likely atelectasis . 2 . Malpositioning of the OG tube . Recommend advancement of the tube .