Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single frontal view of the chest was obtained . Amorphous calcification projecting over the lateral mid chest may be due to calcified pleural plaques . There is also calcification along the left cardiac border , which could be due to pericardial calcification or possibly related to additional pleural plaques . The right lung is clear . There is no pleural effusion or pneumothorax . The cardiac silhouette is top normal to mildly enlarged . Mediastinal and hilar contours are unremarkable . There is no overt pulmonary edema .
    OUTPUT:
    
Evidence of left - sided pleural plaques raising concern for prior asbestos exposure . Linear calcification projecting over the superior left heart border could be due to pericardial calcification versus additional site of pleural plaque .