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