Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest again demonstrate a left chest wall port with the tip of the catheter terminating in the low SVC . Compared to the prior study , there has been interval development of a small left pleural effusion . There is no right pleural effusion . The lungs are otherwise clear . Cardiac size is normal . The mediastinal contour is normal . No pneumothorax is seen .
    OUTPUT:
    
Small left pleural effusion , slightly larger than the prior study from ___ . No pneumonia .