Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . Hardware partially imaged in the lower T - spine . The lungs are clear . Mild elevation the right hemidiaphragm is unchanged . No large effusion or pneumothorax . No signs of congestion or edema . The heart and mediastinal contours are stable . Bony structures are intact .
    OUTPUT:
    
No acute intrathoracic process