Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right - sided Port - A - Cath tip terminates in the proximal right atrium , unchanged . Heart size is normal . The mediastinal and hilar contours are unremarkable . The pulmonary vasculature is normal . Lungs are essentially clear with minimal subsegmental atelectasis in the left lung base . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .