Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral , heterogeneous opacities , predominantly in the lower lobes , continue to persist . Given low lung volumes and long standing opacities , it likely represents an organizing fibrosing stage or ARDS . Bilateral small pleural effusions are unchanged . Mediastinal and hilar contours are normal .
    OUTPUT:
    
Persisting , multifocal , heterogeneous lung consolidations with low lung volumes likely represent an organizing fibrosing stage or ARDS .