Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The minimally displaced sternal fracture is incompletely evaluated by lateral radiographs but appears grossly stable from the prior study . The nondisplaced rib fractures seen on CT are not appreciated on these radiographs . There is mild hyperinflation but no pneumothorax , pleural effusion , pulmonary edema , mediastinal shift , or focal consolidation .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 .