Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs on ___ , there is a subtle retrocardiac opacity . There is bronchiectasis of the right lower lobe . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . A right - sided Port - A - Cath terminates at the cavoatrial junction .
    OUTPUT:
    
Lower lower lobe pneumonia .