Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Tracheostomy tube is in unchanged position . Left - sided Port - A - Cath tip terminates at the junction of the right atrium and SVC . Cardiac , mediastinal and hilar contours are unchanged with the heart size appearing top normal . Lungs are clear . Pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is present . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .