Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly has slightly increased compared to the prior exam from ___ . Mild bibasilar atelectasis is likely secondary to low lung volumes . The hilar and mediastinal contours are normal . No focal consolidations concerning for pneumonia are identified . There is no pleural effusion or pneumothorax . The visualized osseous structures are unremarkable .
    OUTPUT:
    
1 . Mild bibasilar atelectasis . 2 . Mild cardiomegaly , slightly increased compared to the prior exam from ___ . 3 . No focal consolidations concerning for pneumonia identified .