Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided Port - A - Cath tip terminates in the low SVC . Heart size is mildly enlarged , but decreased in size compared to the previous exam . The mediastinal and hilar contours are unchanged with tortuosity of thoracic aorta again noted . Also again noted is indentation upon the right aspect of the trachea at the thoracic inlet due to the presence of a large thyroid goiter , as seen on prior CT . The pulmonary vasculature is normal . The lungs are clear . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities . A common bile duct stent is incompletely assessed .
    OUTPUT:
    
No acute cardiopulmonary abnormality including no evidence for pneumonia .