Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is again mild - to - moderately enlarged . The mediastinal and hilar contours appear unchanged . There is a persistent small - to - moderate left - sided pleural effusion with patchy associated opacity probably due to atelectasis . A trace pleural effusion can not be excluded on the right . Mild interstitial prominence suggests slight fluid overload including ___ B - type lines along the right costophrenic sulcus . There is no pneumothorax . Bones appear demineralized . There is no definite evidence of injury .
    OUTPUT:
    
Findings suggesting mild vascular congestion and persistent pleural effusion , but no definite evidence for injury .