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Progression-free survival

Progression-free survival · PFS

Time from a defined starting point to progression or death, whichever occurs first.

How to read it

Check progression criteria, scan timing, reviewers and censoring rules.

A common pitfall

A PFS benefit does not automatically establish an OS or quality-of-life benefit.

Read it in context

Related readings will be added as the collection grows.

Source

Read the primary source ↗

Explanations by Before the Conclusion · October 29, 2026