Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is probable left - sided pleural effusion with superimposed left basilar parenchymal opacity . Chain sutures seen in the left mid lung . The right lung is grossly clear . The cardiomediastinal silhouette is within normal limits . There is no pneumothorax . No acute osseous abnormalities identified . Surgical clips project over the abdomen .
    OUTPUT:
    
Left basilar opacity in part due to an effusion with probable consolidation . This could be related to recent radiofrequency ablation although superimposed infection would be possible . No pneumothorax .