Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Unchanged top - normal heart size with left ventricular configuration . Mediastinal and hilar contours are also unchanged since ___ . Streaky right basilar opacity may be due to aspiration . Likely small left pleural effusion . No pneumothorax .
    OUTPUT:
    
Streaky right basilar opacity may be due to aspiration .