Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again seen is a right subclavian catheter with tip terminating at the cavoatrial junction . The cardiomediastinal and hilar contours are stable with heart top normal in size . A small pleural effusion is seen on the lateral view , but it is difficult to tell which side is affected ( and it may be bilateral ) . Previously seen left basilar opacity is improved , but mild linear opacities remain . There is no focal consolidation concerning for pneumonia .
    OUTPUT:
    
Pleural effusions , possibly bilateral , with left basilar atelectasis . Resolution of previous left basilar heterogeneity .