Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are again seen multiple median sternotomy wires and surgical clips , unchanged . There is evidence of a recent aortic valve replacement . Right - sided PICC line is again seen with distal tip projecting over the mid SVC . Cardiomediastinal silhouettes are grossly unchanged in comparison to prior radiograph . There is interval improvement in multiple right lung confluent airspace opacities as seen on chest x-ray from ___ . The prior left apical pneumothorax has resolved . There is stable appearance of small left pleural effusion .
    OUTPUT:
    
Improvement in multiple right lung confluent airspace opacities . Resolved left apical pneumothorax . Stable small left pleural effusion .