Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate cardiomegaly is stable . Mediastinal surgical clips and sternal wires are unchanged . Severe mitral annular calcifications are again noted . The lungs are well inflated with no evidence of pneumonia or pulmonary edema . There is no large pleural effusion . Subpleural increase in opacity along the posterior and inferior lungs is likely a function of fibrotic changes . Osseous structures demonstrate osteopenia , but no evidence of fracture .
    OUTPUT:
    
Chronic changes including moderate cardiomegaly , but no evidence of pneumonia or pulmonary edema .