Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen are bibasilar and right perihilar atelectatic changes , similar compared to ___ and also seen on the CT abdomen and pelvis from ___ . There is mild cardiomegaly and mild vascular congestion , but no pulmonary edema . Tortuous vessels widen the uppper mediastinum . Chronic right rib fractures .
    OUTPUT:
    
Unchanged atelectatic changes . No acute cardiothoracic process .