Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size appears top normal . Mediastinal and hilar contours are within normal limits . The pulmonary vasculature is not engorged . Lung volumes are low . Minimal patchy bibasilar opacities likely reflect areas of atelectasis , without focal consolidation . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities . Clips in the right upper quadrant of the abdomen indicate prior cholecystectomy . Nipple piercings are noted within the breasts bilaterally .
    OUTPUT:
    
Minimal patchy bibasilar opacities , likely atelectasis , in the setting of low lung volumes .