What LN stations would you advise covering for lung adeno with + LN at level 9 s/p lobectomy + LND?

Data from the Lung Adjuvant Radiotherapy Trial Investigators Group (Lung ART) are forthcoming, as the trial recently completed accrual I think). In the interim, their protocol is quite helpful in determining which nodal stations to include post lung resection, when adjuvant RT is deemed appropriate....