Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is subtle patchy right lower lobe opacity seen on the frontal and lateral views which could be due to pneumonia or possibly atelectasis . No pleural effusion or pneumothorax . Cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Patchy right lower lobe opacity raising concern for pneumonia in the appropriate clinical setting .