Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . A Port - A - Cath is again seen projecting over the left chest wall with catheter tip in the region of the low SVC . Bibasilar atelectasis is again noted . There is no convincing evidence for pneumonia or edema . No large effusion or pneumothorax is seen . Cardiomediastinal silhouette is unchanged . Bony structures are intact .
    OUTPUT:
    
Bibasilar atelectasis , otherwise unremarkable exam . Port - A - Cath in place .