Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . Given this , lingular opacity seen on both the frontal and lateral views could be due to pneumonia in the appropriate clinical setting . The right lung is clear . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Low lung volumes . Lingular opacity raising concern for pneumonia .