Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left anterior chest wall biventricular pacer is in place . Heart size is enlarged with mild unfolding of the aortic arch . Hilar contours are unremarkable . There is diffusely increased reticulation stable when compared to the prior examination , . There is no acute opacity to suggest pneumonia . There is no effusion or pneumothorax . Stable sclerotic lesion involving the right rib , previously demonstrated on PET - CT dated ___ .
    OUTPUT:
    
No acute cardiopulmonary process . Stable sclerotic metastases involving the right rib .