Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest , upright AP and lateral . The lungs are clear . Exaggeration of the cardiac silhouette is likely secondary to AP technique . Widening of the upper mediastinum is unchanged from prior examinations . There is no pneumothorax or pleural effusion . Pulmonary vascularity is normal . The left Port - A - Cath terminates in the mid SVC .
    OUTPUT:
    
No acute cardiopulmonary process .