Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: On the lateral view , there is blunting of the posterior left costophrenic angle which may be due to pleural effusion and / or consolidation . No pneumothorax is seen . The cardiac silhouette is top - normal to mildly enlarged . The aorta is calcified .
    OUTPUT:
    
Blunting of the posterior left costophrenic angle on the lateral view which may be due to pleural effusion and / or consolidation which may be from infection or aspiration .