Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable AP upright chest radiograph was provided . A nephrostomy tube is partially visualized in the left upper abdomen . The left hemidiaphragm is again noted . There is no focal consolidation , large effusion or pneumothorax seen . The cardiomediastinal silhouette appears normal . A PICC line enters the left arm and its tip is seen in the mid SVC region . Mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
No acute intrathoracic process . PICC line appropriately positioned .