All experiments were processed in triplicate. SPSS 17.0 is used fordata analysis, and the data are shown as mean ± SD. t-test was appliedto compare the date between two groups. Overall survival (OS) is de-fined as the time from the first visit to the death. Disease free survival(DFS) is calculated from the first diagnosis to the date of tumor recurrence. Kaplan-Meier survival analysis and log rank test was used tocalculate the OS and DFS between patients with high and low lncRNA LUCAT1 expression. P < 0.05 was regarded significant difference