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. 2021 May 12;13:109. doi: 10.1186/s13148-021-01090-w

Fig. 2.

Fig. 2

Survival and clinical feature comparisons between the C1, C2, C3, and C4 subgroups. a Overall survival analysis among the four subgroups. b Overall survival analysis between C1 and C2/3/4 subgroups. c Progression-free survival analysis among the four subgroups. d Progression-free survival analysis between C1 and C2/3/4 subgroups. ek Proportional distribution plots of common clinicopathological information including age (e), gender (f), grade (g), T stage (h), N stage (i), M stage (j), and clinical stage (k)