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Precision Oncology Glossary

100 terms total — 24 showing — Last updated 15 Sep 2026

tumor microenvironment TME

Intermediate Technical IVT

The cellular and molecular ecosystem surrounding cancer cells, including immune cells, stromal cells, blood vessels, and signaling molecules that influence tumor behavior and treatment response.

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next-generation sequencing

Intermediate Technical IVT

High-throughput DNA sequencing technology enabling rapid analysis of multiple genes, exomes, or whole genomes simultaneo...

Technical Term Full entry →

NGS

Intermediate Technical IVT

Next-generation sequencing technology used for comprehensive genomic analysis in cancer diagnosis.

Abbreviation Full entry →

oncogene addiction

Advanced Technical IVT

A cancer cell's dependence on continued oncogene activity for survival and proliferation, creating therapeutic vulnerabi...

Technical Term Full entry →

oncometabolite

Advanced Technical IVT

A metabolic compound that accumulates due to cancer-associated enzyme defects and contributes to tumorigenesis through e...

Technical Term Full entry →

oncotype score

Professional Technical IVT

A numerical recurrence score derived from a multigene expression assay used to guide treatment decisions in breast cance...

Technical Term Full entry →

organoid drug screening

Advanced Technical IVT

Testing therapeutic agents on three-dimensional tumor models derived from patient samples to predict treatment response.

Technical Term Full entry →

PARP inhibitor

Intermediate Technical IVT

A targeted therapy that blocks PARP enzymes, preventing DNA repair in cancer cells with BRCA mutations.

Technical Term Full entry →

pathway analysis report

Professional Technical IVT

A molecular diagnostic document detailing disrupted cellular pathways and corresponding therapeutic opportunities.

Document Type Full entry →

pathway-directed therapy

Advanced Technical IVT

Treatment approach targeting specific molecular signaling cascades rather than individual gene mutations.

Technical Term Full entry →

PD-L1 expression

Professional Technical IVT

Quantitative measurement of programmed death-ligand 1 protein on tumor cells, used to predict immunotherapy response.

Technical Term Full entry →

PDL1

Professional Technical IVT

Programmed death-ligand 1, a protein biomarker used to predict immunotherapy response.

Technical Term Full entry →

pharmacodynamic biomarker

Advanced Technical IVT

A measurable biological indicator that demonstrates a drug's effect on its target or downstream pathways, used to monito...

Technical Term Full entry →

pharmacogenomic interaction report

Professional Technical IVT

A document detailing how genetic variants affect drug metabolism, efficacy, and toxicity in cancer treatment.

Document Type Full entry →

polymerase epsilon mutation

Professional Technical IVT

A specific DNA repair gene alteration associated with hypermutated tumors and enhanced immunotherapy response.

Technical Term Full entry →

precision medicine report

Intermediate Technical IVT

A clinical document summarizing molecular findings and therapeutic recommendations based on tumor profiling.

Document Type Full entry →

precision oncology platform

Intermediate Technical IVT

An integrated system combining genomic testing, bioinformatics analysis, and clinical decision support tools to guide pe...

Technical Term Full entry →

precision oncology workflow

Intermediate Formal

Standardized process integrating molecular testing, data analysis, and treatment selection for individualized cancer car...

Technical Term Full entry →

resistance mutation

Professional Technical IVT

A genetic alteration that enables cancer cells to survive and proliferate despite targeted therapy, leading to treatment...

Technical Term Full entry →

somatic mutation

Intermediate Technical IVT

A genetic alteration that occurs in non-reproductive cells during an individual's lifetime and is not inherited by offsp...

Technical Term Full entry →

splice site variant

Advanced Technical IVT

A genetic alteration affecting RNA splicing signals that can disrupt normal mRNA processing, potentially leading to aber...

Technical Term Full entry →

synthetic lethality

Advanced Technical IVT

A therapeutic strategy where combined inhibition of two genes or pathways is lethal to cancer cells but tolerable to nor...

Technical Term Full entry →

targetable alteration

Intermediate Technical IVT

Genetic variant with available FDA-approved or investigational therapies that specifically address the molecular abnorma...

Technical Term Full entry →

targetable pathway

Intermediate Technical IVT

A cellular signaling cascade with molecular components that can be effectively inhibited or modulated by approved or inv...

Technical Term Full entry →

therapeutic resistance

Advanced Technical IVT

The development of insensitivity to cancer treatment, either present initially (primary resistance) or acquired during t...

Technical Term Full entry →
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