Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly has been stable compared to exams dated back to at least ___ . There is mild pulmonary vascular congestion , otherwise the hilar and mediastinal contours are unremarkable . Mild bibasilar atelectasis is persistent . There is no pleural effusion or pneumothorax . The visualized osseous structures are unremarkable .
    OUTPUT:
    
Mild pulmonary edema . No focal consolidations concerning for pneumonia identified .