Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new opacity involving the right lower lung zones , when compared to the prior examination , suspicious for infection . No evidence of pleural effusion or pneumothorax . The cardiac and mediastinal silhouettes remain unchanged . A left - sided subclavian central venous catheter is again seen , with the tip in the lower SVC .
    OUTPUT:
    
Increased opacity in the right lower lung zones , suspicious for infection .