Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP and two lateral views of the chest were reviewed . The cardiomediastinal and hilar contours are unchanged with stable widening of the upper mediastinum . There is unchanged positioning of a left chest Port - A - Cath with tip terminating in the mid SVC . There is no pleural effusion or pneumothorax . The lungs are well expanded and clear . Pulmonary vasculature is within normal limits .
    OUTPUT:
    
No acute cardiopulmonary process .