Table 1

Clinicopathological features of 26 esophageal cancer patients

ID no.GenderAge (yr)OutcomeaSurvival period (mo)bTNM stageHistopathological gradingcResidual tumordLymph node dissectioneClassificationfDRS
A. Learning cases
91-21M62Survival>98IVG2R1Three-fieldGroup 180
92-36M68Survival>82IVG3R0Three-fieldGroup 1138
94-23M61Survival>62IVG1R1Three-fieldGroup 137
96-08M67Survival>40IIIG1R0Two-fieldGroup 1251
97-06F71Survival>34IIIG3R0Two-fieldGroup 1269
97-07M50Survival>34IVG1R1Three-fieldGroup 114
97-20M67Survival>30IVG2R1Three-fieldGroup 1215
97-21M67Survival>30IVG2R1Three-fieldGroup 135
94-12M43Deceased24IVG2R1Three-fieldGroup 2−195
98-09M55Deceased20IVG2R1Three-fieldGroup 277
91-35M58Deceased19IVG2R1Three-fieldGroup 2−134
94-22M65Deceased18IVG3R2Three-fieldGroup 2−306
91-25M60Deceased16IVG2R1Three-fieldGroup 216
91-41M55Deceased16IVG1R1Three-fieldGroup 2−296
90-31M56Deceased12IVG2R1Three-fieldGroup 3−343
98-07M63Deceased11IVG2R1Three-fieldGroup 3−349
97-33M64Deceased9IIIG1R0Three-fieldGroup 3−373
92-03M45Deceased7IVG1R2Three-fieldGroup 3−345
92-30M64Deceased6IIIG2R0Three-fieldGroup 3−444
91-26M60Deceased4IVG1R1Three-fieldGroup 3−370
B. Test cases
89-22M54Survival>122IIIG2R1Three-fieldTest (Group 1)217
98-21M57Survival>30IVG2R1Three-fieldTest (Group 1)143
91-07M60Deceased24IIIG3R0Three-fieldTest (Group 2)−48
95-37M69Deceased24IVG2R2Three-fieldTest (Group 2)83
1571F64Deceased28IVG3R0Three-fieldTest (Group 2)−228
1781M53Deceased16IIIG2R0Two-fieldTest (Group 2)−158
  • a Sixteen patients were deceased of causes related to esophageal cancer.

  • b Follow-up months were established as the time between surgery and either death or last follow up date (December 28, 1999).

  • c G1, G2, and G3, well, moderately, or poorly differentiated SCC, respectively.

  • d R0, no residual tumor; R1, microscopic residual tumor; R2, macroscopic residual tumor.

  • e Operation procedure, total esophagectomy with regional lymphnode dissection.

  • f Group 1, survived >30 mo; Group 2, deceased, 12–24 months; Group 3, deceased within 12 months.