Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right Port -A - Cath is unchanged . A tracheostomy drain catheter is unchanged . No significant interval change . Left lower lobe atelectasis and probable small pleural effusion . Cardiomediastinal silhouette is unchanged . No focal consolidation . No pneumothorax .
    OUTPUT:
    
Left lower lobe atelectasis small effusion .