Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is opacification of the inferior left hemithorax , which is due to left lower lobe collapse and a small effusion ; these findings are better demonstrated on CT chest dated ___ . There is also chronic left hemidiaphragm elevation . No new areas of consolidation . No pneumothorax . Stable cardiomediastinal silhouette . The left PICC line is unchanged in position and terminates in the distal SVC .
    OUTPUT:
    
No significant interval change . Left lung base opacity is due to LLL collapse and small pleural effusion .