Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are low in volume but clear . The cardiac silhouette is enlarged . The mediastinal silhouette and hilar contours are normal . No pleural effusion or pneumothorax is present . A right - sided PICC line terminates with its tip in the upper SVC . A tracheostomy tube is midline . An NG tube passes with its tip out of view below the diaphragm .
    OUTPUT:
    
No acute intrathoracic process .