Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are normal . There is no focal consolidation , pneumothorax or pleural effusion . Opacity at the left cardiophrenic angle represents pericardial fat . A left juxtahilar bronchial cuff is of no clinical significance . There is a small amount of calcification in the innominate vein . No definite rib fracture is identified . Mediastinal and hilar contours are stable . Top - normal heart size is stable .
    OUTPUT:
    
Stable top - normal heart size . No pneumothorax . No definite rib fracture identified . If there is persistent clinical concern for rib fracture , dedicated rib views could be obtained for further evaluation .