Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Aorta is mildly unfolded . Mediastinal and hilar contours are otherwise unremarkable , and there is no pulmonary edema . While the lungs are clear on the frontal view , minimal patchy opacity is noted within the lower lobes on the lateral view , which could suggest atelectasis or early infection . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities are seen .
    OUTPUT:
    
Patchy opacity within the lower lobes on the lateral view only , which could suggest atelectasis or early infection .