Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are relatively low lung volumes . Bilateral perihilar and infrahilar , bibasilar opacities are similar in distribution compared to the prior study , in this patient with reported biopsy proven organizing pneumonia . No large pleural effusion is seen . There is no pneumothorax . Cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
No acute cardiopulmonary process .