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# Watchful waiting - The Evidence Ledger

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### [Watchful waiting](/c/watchful-waiting)

MechanismESTABLISHEDOutcomeA

Claimed

Active surveillance instead of immediate treatment.

What holds up

Some cancers grow slowly enough that immediate treatment adds risk without benefit.

What it does not show

For some prostate, thyroid and low-grade cancers, doing nothing yet is the evidence-based choice.

Evidence for

None on file.

Sources

No sources on file yet.

## Grade history (append-only)

Every grade change is kept, never overwritten, so the current grade and every prior one stay visible.

Mechanism gradeJustificationGraded byStateGraded at

ESTABLISHEDSome cancers grow slowly enough that immediate treatment adds risk without benefit.seeddisplayed2026-09-03T21:29:06.054Z

Outcome gradeJustificationGraded byStateGraded at

AFor some prostate, thyroid and low-grade cancers, doing nothing yet is the evidence-based choice.seeddisplayed2026-09-03T21:29:06.054Z

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