Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right Port - A - Cath terminates in lower SVC . The lung volume is small . Bilateral lower lobe atelectasis has increased slightly . Otherwise the lungs are clear . No pleural effusions or pneumothorax . The cardiomediastinal silhouette is unchanged .
    OUTPUT:
    
Slightly increased in bilateral lower lobe atelectasis . No pulmonary edema or pneumonia .