Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Infusion port is in the right chest with tip projecting over the low SVC . Cardiac silhouette is mildly enlarged . The mediastinal silhouette is mildly widened compared to prior radiographs consistent with lymphadenopathy seen on recent PET - CT . Bilateral interstitial markings are prominent and predominately involve the lower lungs . There is no pneumothorax , pneumomediastinum , or pleural effusion .
    OUTPUT:
    
1 . Prominent mediastinum consistent with lymphadenopathy on recent PET - CT . 2 . Increased interstitial markings may be secondary to inflammation or fibrosis .