Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no pneumothorax . Increased right base opacity could represent post - bronchoscopy hemorrhage , residual lavage fluid , or possibly right middle lobe pneumonia . There is no pleural effusion , pneumothorax , or pulmonary edema . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Increased opacification of the right base could be hemorrhage , residual lavage fluid , or possibly right middle lobe pneumonia .