Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright portable chest radiograph is obtained . A dual - lead pacer projects over the left chest wall with lead tips extending into the right atrium and right ventricle . An ovoid calcific density projects over the left mediastinal ___ , ___ represent a calcified large mediastinal lymph node or possibly an external artifact . There is diffuse pulmonary edema . Heart size is mildly enlarged . Calcification over the heart likely corresponds to mitral annular calcification . No large effusions or pneumothorax seen . Bony structures are intact .
    OUTPUT:
    
Pulmonary edema . Calcific ovoid structure projecting over the left mediastinal ___ , question artifact versus calcified enlarged lymph node . Pacer in appropriate position .