Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated , but there is no evidence of focal opacities . The cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion . A hyperlucent area in the right apex demonstrates vascular markings . Also , the line that defines it likely represent summation of osseous structures .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .