Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is of normal size with normal cardiomediastinal contours . Lung volumes are low . Previously noted right middle lobe ground - glass opacities on ___ CT torso are not clearly visualized on this exam . The known right infrahilar spiculated nodule is obscured by overlying hilar vessels . No focal pulmonary consolidation , pleural effusion , or pneumothorax . No radiopaque foreign body . Bilateral chronic rib fractures are again seen , with slight apparent increase in displacement of right posterolateral rib fractures .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Known right infrahilar spiculated nodule not well visualized via radiograph . 3 . Chronic bilateral rib fractures .