Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is not engorged . Chain sutures are noted within both lung bases compatible with prior lung resections . Streaky opacities in the lung bases , more so on the right , may reflect areas of atelectasis but infection or aspiration is not excluded . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities demonstrated .
    OUTPUT:
    
Streaky opacities in the lung bases , more so on the right , may reflect atelectasis but infection or aspiration is not excluded in the correct clinical setting .