Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath tip terminates in the proximal right atrium . Heart size is normal . Mediastinal and hilar contours are unremarkable . Tracheostomy tube tip is in unchanged position . Pulmonary vasculature is normal . Lungs are clear . No focal consolidation , pleural effusion or pneumothorax is identified . There is no acute osseous abnormality pattern
    OUTPUT:
    
No acute cardiopulmonary abnormality .