Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is re- demonstrated . The mediastinal contour is unremarkable . There is mild interstitial pulmonary edema , new compared to the previous exam . Hilar contours are unremarkable . Linear opacity within the right mid lung field is compatible with subsegmental atelectasis . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities . Multiple remote anterior rib fractures are seen bilaterally .
    OUTPUT:
    
Mild interstitial pulmonary edema .