Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mildly enlarged cardiac silhouette is unchanged . Calcifications are again noted within the aortic arch , otherwise , the mediastinal and hilar contours are unremarkable . Pulmonary vasculature is persistently engorged but there is no pulmonary edema . Segmental atelectasis at the left lung base is new or worsse . Transvenous leads from a left - sided pacemaker end in the right atrium and right ventricle .
    OUTPUT:
    
1 . Unchanged mild cardiomegaly and vascular congestion . 2 . Increased left basilar atelectasis . Suggest repeat CXR in 4 wks . If this does not clear Chest CT would be indicated to evaluate bronchial patency .