For the seminoma group, the 5-year overall survival rate was 90.6%, the 5-year progression-free survival rate was 87.3%; group with good prognosis, the 5-year overall survival rate was 95.7% and the 5-year progression-free survival rate was 91.3%; in the intermediate prognostic group, the 5-year overall survival was 66.3% and the 5-year progression-free survival was 58.6%.