Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Lungs are clear . Small left pleural effusion is unchanged . No pneumothorax . Heart size is normal . Cardiomediastinal and hilar silhouettes are normal . A right IJ Port - A - Cath terminates in the low SVC . A left PICC terminates near the expected location of the superior cavoatrial junction .
    OUTPUT:
    
Unchanged small left pleural effusion . No acute cardiopulmonary abnormality .