Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC line terminates in the proximal right atrium . Lung volumes are low . There is no focal consolidation or effusion . No pneumothorax or pneumomediastinum . Mediastinal and hilar contours are stable . Heart size is normal . Anterior compression fracture of L2 vertebral body is unchanged .
    OUTPUT:
    
No acute intrathoracic process .