Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . Chain sutures are noted along the peripheral aspect of the left mid lung field . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . Moderate multilevel degenerative changes are seen in the thoracic spine . Multiple left - sided rib deformities are present , likely from prior thoracotomy . Degenerative changes are also noted within both acromioclavicular and glenohumeral joints .
    OUTPUT:
    
No acute cardiopulmonary abnormality .