Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Dual lead pacemaker is again noted with leads extending to the region of the right atrium and right ventricle . Midline sternotomy wires are noted . There is extensive calcified pleural plaque in the left chest which accounts for the irregular opacity seen on radiograph . There is a small right pleural effusion with probable mild compressive lower lobe atelectasis . No large pneumothorax . Heart size is top - normal contours unremarkable . Bony structures are intact . Inferior to left coracoid a well - defined ossific density is noted which reflect an old injury seen on CT .
    OUTPUT:
    
Small right pleural effusion , right basal atelectasis , extensive left chest calcified pleural plaque .