Comparison of the follow-up results between the two groups
RECURRENCE, COMPLICATIONS, METASTASIS
After 2 years of follow-up, the recurrence rate and mortality rate of the study group were lower than those of the control group, with significant differences (P < 0.05); there was no significant difference in the metastasis rate between the two groups (P > 0.05), as shown in Table 
Comparison of the incidence of complications between the two groups