Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increasing mild right lower lobe opacities . In the left lung has not substantially changed . Mild hyperinflation . Moderate cardiomegaly . Right - sided Port - A - Cath with the tip in the upper SVC . No pneumothorax .
    OUTPUT:
    
Mild new right lower lobe opacities may be related to substantial endobronchial plugging demonstrated on recent CT ___ and slightly increased since ___ .