Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right central venous catheter is unchanged in appearance , terminating at the origin of the SVC . The enteric and endotracheal tubes have been removed in the interim . Diffuse interstitial markings in the right lung are more pronounced at the lung base , gradually improving compared to the initial radiograph on ___ . This could reflect either resolving viral pneumonia or pulmonary edema . No new consolidation . Post - pneumonectomy changes on the left are stable . Of note , leftward shift of the mediastinum and right lung are more pronounced than expected after pneumonectomy in adulthood . This can be seen in the setting of left mainstem bronchus compromise .
    OUTPUT:
    
1 . Gradually improving pulmonary edema or viral pneumonia in the right lung . No new consolidation . 2 . Pronounced leftward shift of the right lung and mediastinum post pneumonectomy , which can be seen in the setting of right mainstem bronchus compromise ( post - pneumonectomy syndrome ) .