Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are fully expanded and clear . Heart size is top normal . Upper mediastinum is still engorged reflecting increased intravascular volume or pressure , but the pulmonary vasculature is normal and there is no edema or pleural effusion . Right PICC line ends in the mid SVC . No pneumothorax .
    OUTPUT:
    
Normal postoperative chest radiograph .