- Node positive (clinically or pathologically) stage II disease or Stage IIIA: T1N1 or T2N1 or T1N2 or T2N2 or T3N1 or T3 N2, according to the revision by Mountain CF of American Joint Committee on Cancer (Mountain CF 1997, Fleming ID et al. 1997). For patient entering Arm B (with N0 stage) confirmation of N1-N2 stage must be obtained from intraoperative or post-surgery pathology report.