Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patchy right middle lobe and lower lobe opacities are worrisome for multifocal pneumonia . No large pleural effusion is seen , but trace pleural effusion is difficult to exclude . No pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Findings worrisome for multifocal pneumonia , as above .