Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . A large hiatal hernia is re - demonstrated . The aorta is demonstrates diffuse atherosclerotic calcifications . Hilar contours are normal . Pulmonary vasculature is not engorged . Streaky opacities in the lung bases likely reflect areas of atelectasis . No focal consolidation , large pleural effusion or pneumothorax is detected , however the extreme left costophrenic angle is excluded from the field of view .
    OUTPUT:
    
Large hiatal hernia with probable bibasilar atelectasis .