Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No pneumoperitoneum identified . A moderate layering left pleural effusion with adjacent compressive atelectasis appears slightly increased from ___ . A right Port - A - Cath is unchanged . No pneumothorax . Mediastinal contours and cardiac borders are stable .
    OUTPUT:
    
1 . No pneumoperitoneum seen , however can not be completely excluded without a true upright radiograph or CT examination . 2 . Left lower lobe consolidation likely represents layering moderate pleural effusion and atelectasis . Infectious process can not be excluded .