Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath terminates at the cavoatrial junction . Right subclavian stent and left axillary and upper arm stents are re- demonstrated . The cardiac and mediastinal silhouettes are stable . Patchy left lower lobe opacity is worrisome for pneumonia . No pleural effusion or pneumothorax is seen .
    OUTPUT:
    
Patchy left lower lobe opacity worrisome for pneumonia .