Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . In comparison to the prior exam on ___ , there is a decrease in the amount of interstitial markings , suggesting improvement in the previously seen mild pulmonary edema . There is no pleural effusion , or pneumothorax . The previously seen small retrocardiac opacity is stable and most consistent with atelectasis . The cardiac silhouette is mildly enlarged , and unchanged from the prior exam . The aorta is tortuous with atherosclerotic calcifications . Sternal wires are intact and clips are noted in the mediastinum . Degenerative changes are noted in the bilateral shoulders , worse on the right than the left , with a stable right shoulder dislocation .
    OUTPUT:
    
1 . Interval resolution of the previously present pulmonary edema . 2 . Stable retrocardiac atelectasis . 3 . Stable mild cardiomegaly .