Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The aorta is mildly tortuous . Mediastinal hilar contours are normal . Pulmonary vasculature is not engorged . Patchy opacities are noted in both lung bases in the setting of low lung volumes without focal consolidation . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Patchy bibasilar opacities in the setting of low lung volumes likely reflect atelectasis . Early infection is not completely excluded in the correct clinical setting .