Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild cardiomegaly , with prominence of the right atrium . The hilar and mediastinal contours are normal . This study is limited due to extensive overlying soft tissue ; however , no definite focal consolidations concerning for infection are identified . There is mild bibasilar atelectasis . There is no large pleural effusion or pneumothorax . Visualized osseous structures are unremarkable .
    OUTPUT:
    
Mild cardiomegaly . No focal consolidations concerning for pneumonia identified .