Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest . For right - sided port catheter ends in the lower SVC . Mainly lower lobe reticular interstitial changes are again seen and likely more prominent to prior studies . This may represent a pneumonia in the and / or left lung base . No pleural effusion or pneumothorax . The cardiomediastinal hilar contours are stable .
    OUTPUT:
    
Increase interstitial opacities at the left lung base , and possibly right lung base may represent pneumonia .