Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The heart is of top normal size with unremarkable cardiomediastinal contours . The lungs are clear without focal or diffuse abnormality . Previously seen tiny right apical pneumothorax is no longer identified . No pleural effusion . Pulmonary vasculature is unremarkable . ___ , ___ , ___ , and ___ right posterolateral rib fractures have undergone interval minimal bony callus bridging . No new fracture visualized . No radiopaque foreign body .
    OUTPUT:
    
No acute cardiopulmonary process .