Tumor Size as a Critical Prognostic Factor in T1-2 Stage Esophageal Cancer

Figure 5

Kaplan-Meier survival curves compared tumor size less than 2.8 cm with tumor size greater than or equal to 2.8 cm: (a) in the no surgery group of the T1-2 stage, (b) in the surgery group of the T1-2 stage, (c) in the T1-2 stage, and (d) in the T3-4 stage.

(a)

(b)

(c)

(d)