Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly improved when compared to the prior study . There is persistent plate light atelectasis in the left lung base . Subtle increased opacity at the right lung base likely reflect an additional area of atelectasis , infection can not be excluded . The cardiomediastinal contour is within normal limits . No pulmonary vascular congestion appreciated . No pleural effusion seen .
    OUTPUT:
    
Minimal increased opacity at the right lung base likely reflects atelectasis . Continued attention on followup recommended .