Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided PICC has been removed . Cardiac silhouette size is normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is present . Posterior fusion hardware spanning the thoracolumbar spine is incompletely imaged . Multilevel degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .