Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest again demonstrate a right chest wall port with the catheter terminating in the superior portion of the SVC , unchanged . Compared to the prior radiograph , there is a new asymmetric airspace opacity at the left base , likely representing a pneumonia . There is also mild opacification at the right base compared to the prior study . No pleural effusion or pneumothorax is seen .
    OUTPUT:
    
Asymmetric increase in airspace opacification at the left base concerning for new left lower lobe pneumonia . These findings were relayed to Dr . ___ , by Dr . ___ , at 245 PM , on ___ .