Purpose: To demonstrate the importance and necessity of the free from localregional failure survival rate (FLF) and free from distant metastasis survival rate (FDM) in prognostic research of cancer.

• 目的：阐述无复发生存率（FLF）和无远处转移生存率（FDM）在肿瘤预后研究中的重要性和必要性。