0 = 存活
1 = 死亡

0 = 单纯放疗
1 = 同步放化疗

1 = 男
2 = Ů

0 = 无
1 = 有

1 = CR
2 = PR
3 = SD
4 = PD

1 = tumor volume ≤32
2 = tumor volume >32

1 = 颈段
2 = 上段
3 = 中段
4 = 下段
5 = 胃食管结合部

1 = cervical and upper
2 = middle
3 = lower and EGJ

1 = T1
2 = T2
3 = T3
4 = T4

0 = N0
1 = N1

0 = M0
1 = M1a
2 = M1b

1 = I期
2 = IIA期
3 = IIB期
4 = III期
5 = IVA期
6 = IVB期

1 = I期
2 = II期
3 = III期
4 = IVA期

0 = 原因不明
1 = 局部或区域复发
2 = 远处转移
3 = 复发伴转移
4 = 非本病死亡
5 = 治疗并发症死亡

0 = 否
1 = 是

0 = 无
1 = 进展