Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: On this single AP view , ill - defined , right perihilar opacity is present , either represent summation of soft tissue / vascular shadow or true parenchymal abnormality . Heart size is normal , mediastinal and hilar contours are unremarkable . There is no pleural abnormality .
    OUTPUT:
    
Ill - defined right perihilar opacity either reflects summation of vascular / soft tissue structures or true parenchymal abnormality . For further evaluation , repeat PA supplemented by lateral view is recommended .