Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Opacity in the lower lungs is concerning for atelectasis and pneumonia , left greater than right . Lung volumes are low limiting assessment . No large effusion or pneumothorax . No convincing signs of congestion or edema . Heart size appears grossly within normal limits . The mediastinal contour is normal . Imaged osseous structures are intact .
    OUTPUT:
    
Bibasilar opacities concerning for atelectasis and pneumonia , left greater than right .