Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP AND LATERAL VIEWS OF THE CHEST : The lungs are clear . The cardiomediastinal silhouette is moderately enlarged but unchanged . No pleural effusions or pneumothorax is seen . Cholecystectomy clips are seen in the upper abdomen . Descending aorta is calcified throughout its course through the thorax . The patient is status post median sternotomy , along with CABG . No obvious displaced rib fractures . Diffuse demineralization of the osseous structures is present with multilevel degenerative changes seen in the imaged spine . Right humeral neck fracture is better assessed on dedicated shoulder radiographs performed the same day .
    OUTPUT:
    
Moderate cardiomegaly , with no acute intrathoracic process .