What is the difference between overall survival, recurrence-free survival and time-to-recurrence?

What is the difference between overall survival, recurrence-free survival and time-to-recurrence? Br J Surg. 2020 Sep 21;: Authors: Liu Y, Yang T, Wei YW PMID: 32955103 [PubMed - as supplied by publisher]

https://www.ncbi.nlm.nih.gov/pubmed/32955103?dopt=Abstract

Source: The British Journal of Surgery - September 20, 2020 Category: Surgery Authors: Liu Y, Yang T, Wei YW Tags: Br J Surg Source Type: research

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