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Negative SEMA3F immunohistochemical staining was associated with poor prognosis and survival. A. Overall survival (OS) and metastasis-free survival (MFS) of SEMA3F positive or negative patients was determined by Kaplan-Meier analysis. B. OS and MFS of SEMA3F positive or negative patients younger than 20 years old (≤20). C. OS and MFS of SEMA3F positive or negative patients elder than 20 years old (>20).
