Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Transverse cardiomegaly . Widened superior mediastinum unchanged . Subsegmental atelectatic changes in left lung mid zone as well as bibasal areas . No pneumothorax or pneumomediastinum . No large effusions . Right - sided IJV CVP in situ with the tip at the cavoatrial junction / in the proximal right atrium . The sternal wires demonstrate a slight scoliotic alignment with a widened interval between the superior 3 and inferior 3 sternal wires , but this appears stable compared to prior imaging . No new central lucency projecting over the mediastinum . Degenerative changes of the shoulder girdles .
    OUTPUT:
    
Sternal wire alignment appears stable compared to prior imaging .