Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right upper lobe opacification with central cavitation is better shown on same day CT . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Right upper lobe opacification with central cavitation CTs concerning for malignancy . Infection is also possible . In the setting of known pulmonary emboli , there may also be a component of hemorrhage as well .