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. 2019 Mar 11;19:216. doi: 10.1186/s12885-019-5416-8

Fig. 2.

Fig. 2

AJCC stage and TNM subgroup distributions of patients according to the 8th edition of the TNM Staging System alone and the 8th edition of the TNM Staging System combined with LVI classification. LVI: lymphovascular invasion, LVI−/+: negative/positive LVI