Determining Whether M Eval has already been set for AJCC 6

CS Lymph Nodes CS Mets at DX Staging Basis
200, 250 00, 10, 20, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 99 MATCH:
000, 100, 800, 999 <Any value> Mets Eval