Medical Oncology Glossary

100 terms total — 3 showing — Last updated 15 Sep 2026

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Term of the Day

Ki-67 index

Advanced Technical IVT

A measure of cellular proliferation expressed as the percentage of Ki-67 positive tumor cells, used in cancer prognosis and treatment decisions.

15 Sep 2026

Showing 1–3 of 100

Intermediate Technical IVT

Time from treatment completion until disease recurrence or death from any cause.

DFS relapse-free survival

Technical Term Full entry →

Professional Technical IVT

Time from treatment start or randomization until death from any cause.

OS survival

Technical Term Full entry →

Professional Technical IVT

Time from treatment start until disease progression or death from any cause.

PFS

Technical Term Full entry →

Glossary terms, with category, difficulty and definition
Term	Category	Difficulty	Definition
disease-free survival IVT	Technical Term	Intermediate	Time from treatment completion until disease recurrence or death from any cause.
overall survival IVT	Technical Term	Professional	Time from treatment start or randomization until death from any cause.
progression-free survival IVT	Technical Term	Professional	Time from treatment start until disease progression or death from any cause.

Glossary Stats

Total terms 100

IVT eligible 100

Verified 0

intermediate 55

advanced 26

professional 19