Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are mildly hypoinflated with crowding of vasculature . No pleural effusion . Heart size , mediastinal contour , and hila are unremarkable . Visualized osseous structures are notable for right eighth rib deformity related to prior surgery .
    OUTPUT:
    
No acute cardiopulmonary process .