Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left pectoral port catheter tip terminates in the mid SVC , unchanged . Cardiomediastinal borders are stable . Lung volumes are low . Mild left basilar atelectasis is present . No focal consolidation , pleural effusion , or pneumothorax . Chronic right - sided and left - sided pleural thickening with bilateral rib deformities is unchanged from prior studies . Surgical clips are seen in the left upper quadrant .
    OUTPUT:
    
1 . Low lung volumes with left basilar atelectasis . 2 . Port catheter tip terminates in the mid SVC .