Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right porta cath terminates in the low SVC . Opacity of the right upper lobe is similar to slightly worsened . There is increased elevation of the middle fissure suggesting worsening volume loss . Right perihilar opacities unchanged . Heart size is normal . The mediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Slightly increased opacity and worsening atelectasis in the right upper lobe suggesting residual infectious or neoplastic process . A subtle pneumonia can not be excluded . If there is clinical concern for pneumonia a CT should be obtained .