Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right upper chest pacer device with dual leads are unchanged . Cardiomegaly is stable . Mediastinal and hilar contours are stable . Streaky opacities the right lung base may represent atelectasis , unchanged . No focal consolidation or pneumothorax . Degenerative changes , particularly at the right glenohumeral joint , are unchanged .
    OUTPUT:
    
Cardiomegaly without pulmonary edema . No focal consolidation .