Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The aorta is unfolded . Hilar contours are unremarkable . Pulmonary vasculature is not engorged . Streaky opacities seen within the right upper lobe as well as within the retrocardiac region . No focal consolidation , pleural effusion or pneumothorax is seen . No acute osseous abnormality is detected .
    OUTPUT:
    
Streaky opacities in the right upper lobe and retrocardiac region may reflect areas of atelectasis . Early infection in the right upper lobe however is not completely excluded in the correct clinical setting .