Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . The mediastinal and hilar contours are remarkable for slight fullness of the aortic pulmonary window . . The pulmonary vasculature is normal . Lungs are remarkable for linear perihilar opacities bilaterally which may reflect subsegmental atelectasis or linear scarring . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
Fullness of the aortic pulmonary window , probably related to prominent vascular structures , but lymphadenopathy is an additional consideration in the setting of hoarseness .