Research Article

Comparison between Intensity-Modulated Radiotherapy and Three-Dimensional Conformal Radiotherapy for Their Effectiveness in Esophageal Cancer Treatment: A Retrospective Single Institution Study

Figure 4

Overall survival of patients in the quit drinking and not quit drinking groups. The 1-, 3-, and 5-year OS rates were 74.1%, 63.0%, and 63.0% (in the quit drinking group) vs. 60.3%, 40.3%, and 32.3% (in the not quit drinking group) ().