Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is within normal limits . The mediastinal and hilar contours are normal . The lungs are clear of lobar consolidation . Scattered calcific densities projecting over the left hemithorax on the frontal view and the anterior mediastinum on the lateral view correspond to calcified pleural plaques as demonstrated on prior chest CT . Additionally , metallic density in the left upper lobe is compatible with a fiducial from prior CyberKnife therapy . There is no large pleural effusion or pneumothorax .
    OUTPUT:
    
No radiographic evidence of pneumonia .