Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: While there is again mild interstitial prominence , the opacities in the right lower lobe appear to be slightly worse than on several comparison films . A right - sided Port - A - Cath terminates in the right atrium . Left lung appears with chronic interstitial markings but no evidence of pneumonia . No pleural effusion or pneumothorax is seen .
    OUTPUT:
    
More so than on past exams , prominence of the right lower lobe interstitial markings could be consistent with an early or atypical pneumonia in this neutropenic patient .