Fig. 2

Disease-specific survival. a after the diagnosis of metastasis, (B) after the diagnosis of primary tumor. a The median disease-specific survival following the diagnosis of metastasis was 52.5 months and the 5-year survival rate was 40.6%. b The median disease specific survival following the diagnosis of the primary tumor for metastatic patients was 87.3 months and the 5-year survival rate was 56.2%