Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is mild bibasilar atelectasis . No focal consolidation , pleural effusion , or evidence of pneumothorax is seen . The lungs are relatively hyperinflated . Coarse calcification projecting over the lateral left lung base may represent a calcified granuloma or bone island , and is stable , measuring 1 .1 cm . The cardiac silhouette is mildly enlarged . The mediastinal and hilar contours are unremarkable . Mild degenerative changes are seen along the spine .
    OUTPUT:
    
Mild enlargement of the cardiac silhouette . Otherwise , no acute cardiopulmonary process .