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Genomics & DNA Updated 26 May 2026

Cancer Genomics: Tumor Profiling Topical Map Library and SEO Content Plan

Use this Cancer Genomics: Tumor Profiling and Biomarkers topical map library entry to cover what is cancer genomics with topic clusters, pillar pages, article ideas, content briefs, prompt kits, and publishing order.

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1. Foundations of Cancer Genomics and Tumor Profiling

Covers basic principles: why cancer is a genetic disease, the types of genomic alterations, tumor heterogeneity and evolution, and pre-analytic sample considerations — essential context for every other subtopic.

Pillar Publish first in this cluster
Informational “what is cancer genomics”

Cancer Genomics and Tumor Profiling: A Comprehensive Primer

Definitive introduction to cancer as a genomic disease and the rationale for tumor profiling. Explains mutation types, clonal dynamics, and sample issues so clinicians, researchers, and informed patients understand what tests reveal and their limitations.

Sections covered
Cancer as a genetic disease: somatic vs germline alterationsTypes of genomic alterations: SNVs, indels, CNAs, SVs, fusions, epigenetic changesTumor heterogeneity and clonal evolution: implications for testingClinical utility of tumor profiling: diagnostic, prognostic, predictive usesSample types and pre-analytical variables (FFPE, fresh tissue, blood)Limitations, false negatives, and when re-biopsy or repeat testing is neededFuture directions: single-cell, spatial transcriptomics, and integrated multi-omics
1
High Informational

Somatic vs Germline Mutations: What Clinicians and Patients Need to Know

Explains the biological difference between somatic and germline variants, clinical implications, and testing approaches to distinguish them.

“difference between somatic and germline mutations”
2
High Informational

Tumor Heterogeneity and Clonal Evolution Explained

Describes spatial and temporal heterogeneity, methods to detect subclones, and how evolution drives resistance and impacts interpretation.

“tumor heterogeneity explained”
3
High Informational

Sample Types and Pre-Analytical Variables for Tumor Profiling (FFPE, Fresh, Blood)

Details how tissue handling, fixation, tumor cellularity, and blood collection affect test sensitivity and recommendations to optimize results.

“best sample for tumor genomic testing”
4
Medium Informational

Tumor Mutational Burden (TMB) and Microsatellite Instability (MSI): Biology and Testing

Explains how TMB and MSI arise, their measurement methods, and clinical relevance for immunotherapy selection.

“what is tumor mutational burden”
5
Low Informational

Cancer Genomics Glossary: Key Terms Clinicians and Researchers Must Know

Concise definitions of core genomics terms (VAF, LOD, CNV, fusion, hotspot, variant of uncertain significance) for quick reference.

“cancer genomics terms defined”

2. Tumor Profiling Technologies and Assays

Compares sequencing and non-sequencing assays (WGS/WES/panels, RNA-seq, ctDNA, IHC/FISH/PCR), explaining analytic performance, use-cases, costs, and how to choose the right test.

Pillar Publish first in this cluster
Informational “tumor profiling technologies comparison”

Tumor Profiling Technologies: WGS, WES, Targeted Panels, and Liquid Biopsies — Choosing the Right Test

Comprehensive guide to available tumor profiling assays, their strengths and limitations, and decision framework for clinical and research scenarios. Covers technology, validation, performance metrics, and practical considerations like cost and turnaround.

Sections covered
Overview of sequencing modalities: WGS, WES, targeted panelsLiquid biopsy and circulating tumor DNA: principles and use casesRNA sequencing and fusion detection versus DNA-based methodsNon-sequencing assays: IHC, FISH, PCR, and when to use themAssay validation, analytical sensitivity, and limit of detectionCost, turnaround time, and laboratory selection criteriaQuality metrics and reporting standards for clinical tests
1
High Informational

Clinical vs Research Sequencing: When to Use WGS, WES, or Targeted Panels

Provides decision flowcharts and examples to select the optimal sequencing strategy based on clinical questions, sample quality, and budget.

“when to use whole genome vs whole exome vs panel testing”
2
High Informational

Liquid Biopsy (ctDNA): How It Works, Clinical Indications, and Limitations

Explains ctDNA biology, assay types, sensitivity factors, approved indications, and interpretation guidelines including concordance with tissue.

“how does liquid biopsy work for cancer”
3
Medium Informational

Detecting Gene Fusions: RNAseq vs DNA-based Assays

Compares methods for fusion detection, strengths of RNA approaches, bait design, and clinical examples (ALK, ROS1, NTRK).

“best test for gene fusions in cancer”
4
Medium Informational

Assay Performance Metrics: Sensitivity, Specificity, Limit of Detection, and QC

Defines technical metrics used to evaluate assays and explains how they affect clinical interpretation, especially for low VAF variants.

“what is limit of detection in sequencing”
5
Low Commercial

Comparing Commercial Tumor Profiling Labs: FoundationOne, Guardant360, Tempus, and Others

Practical comparison of major commercial labs by assay composition, genes covered, clinical claims, turnaround time, and payer acceptance.

“foundationone vs guardant360 comparison”

3. Clinical Biomarkers: Actionable, Predictive, and Prognostic

Catalogs established and emerging biomarkers across cancer types (EGFR, KRAS, BRAF, BRCA, MSI, TMB, PD-L1, NTRK etc.), their testing methods, and links to approved therapies or clinical trial strategies.

Pillar Publish first in this cluster
Informational “cancer biomarkers list”

Key Genomic and Molecular Biomarkers in Oncology: Predictive, Prognostic, and Diagnostic

Authoritative catalog of clinically relevant biomarkers organized by cancer type and clinical use (diagnostic, prognostic, predictive). Includes companion diagnostics, evidence levels, and testing recommendations.

Sections covered
Defining predictive vs prognostic vs diagnostic biomarkersBiomarker-driven care in major cancers: lung, breast, colorectal, melanoma, ovarianDNA biomarkers: driver mutations, copy number alterations, and fusionsHomologous recombination deficiency and BRCA: testing and therapeutic implicationsImmunotherapy biomarkers: PD-L1, TMB, MSI—how they guide treatmentTumor-agnostic biomarkers and approvals (NTRK, MSI-high)Emerging biomarkers: epigenetic markers, neoantigen load, transcriptomic signatures
1
High Informational

EGFR, ALK, ROS1, KRAS, BRAF in Lung Cancer: Testing and Treatment Implications

Detailed, clinically oriented review of actionable lung cancer biomarkers, testing algorithms, and associated targeted therapies and resistance mechanisms.

“lung cancer biomarkers and targeted therapies”
2
High Informational

BRCA1/2 and Homologous Recombination Deficiency (HRD): Testing, PARP Inhibitors, and Somatic vs Germline

Explains BRCA biology, HRD assays, clinical trial evidence for PARP inhibitors, and how to interpret somatic vs germline BRCA findings.

“brca testing for ovarian cancer”
3
High Informational

Microsatellite Instability (MSI) and Mismatch Repair Deficiency: Testing Methods and Clinical Significance

Covers PCR, IHC, and NGS methods for MSI/MMR detection, implications for Lynch syndrome screening and immunotherapy

“msi testing in cancer”
4
High Informational

PD-L1, Tumor Mutational Burden (TMB) and Biomarkers for Immunotherapy

Summarizes assays, thresholds, clinical trial evidence and limitations of PD-L1 and TMB as predictors of immune checkpoint inhibitor response.

“pd-l1 vs tmb for immunotherapy”
5
Medium Informational

NTRK Fusions and Tumor-Agnostic Approvals: Testing and Clinical Management

Explains detection methods for NTRK fusions, approved tumor-agnostic therapies, and test selection strategies.

“ntrk fusion testing”
6
Medium Informational

Concordance Between Liquid Biopsy Biomarkers and Tissue: Evidence and Practical Guidance

Reviews studies comparing ctDNA and tissue results, factors affecting concordance, and guidance for discordant findings.

“liquid biopsy vs tissue biopsy concordance”

4. Clinical Implementation: Interpretation and Reporting

Focuses on analysis pipelines, variant interpretation frameworks, standardized reporting, and how to integrate genomic reports into clinical decision-making and tumor boards.

Pillar Publish first in this cluster
Informational “how to read a tumor genomic report”

Interpreting Tumor Genomic Reports: From Variant Calling to Clinical Action

A practical manual for clinicians and molecular pathologists on reading genomic reports, applying variant classification standards, linking evidence to action, and presenting cases in multidisciplinary tumor boards.

Sections covered
Overview of variant calling and types of clinically reported alterationsNomenclature and variant annotation (HGVS, COSMIC IDs)Variant classification frameworks: AMP/ASCO/CAP and ACMG basicsLevels of clinical evidence and knowledgebases (OncoKB, ESMO ESCAT)Components of a high-quality clinical report and result interpretation examplesCommunicating findings to patients and handling variants of uncertain significanceWorkflow integration: tumor boards, clinical decision support, and documentation
1
High Informational

Variant Classification and Reporting Guidelines (AMP/ASCO/CAP and ACMG Explained)

Explains major variant classification systems, mapping evidence to actionability tiers, and examples for common variant types.

“amp guidelines for somatic variant interpretation”
2
High Informational

How to Read a Tumor Genomic Report: A Step-by-Step Clinical Guide

Walkthrough of a typical report with annotated screenshots (or examples), highlighting key fields clinicians must evaluate before making treatment decisions.

“read tumor genomic report”
3
Medium Informational

Integrating Genomic Data into Multidisciplinary Tumor Boards

Best practices for presenting genomic findings, crafting actionable recommendations, and documenting decisions for continuity of care.

“genomics in tumor board”
4
Medium Informational

Handling Secondary Germline Findings from Tumor Tests: Clinical Workflow and Patient Counseling

Guidance on identifying likely germline variants, confirming with germline testing, genetic counseling, and family cascade testing considerations.

“germline findings on tumor sequencing”
5
Low Informational

AI and Clinical Decision Support for Tumor Report Interpretation

Survey of AI tools and knowledgebases that assist interpretation, their validation status, and cautions for clinical use.

“ai for genomic report interpretation”

5. Therapeutic Applications and Precision Oncology

Focuses on matching genomic results to therapies and trials: companion diagnostics, resistance mechanisms, tumor-agnostic approvals, and practical pathways for personalized treatment.

Pillar Publish first in this cluster
Informational “precision oncology how to match mutations to drugs”

Precision Oncology: Matching Tumor Genomics to Targeted Therapies and Clinical Trials

Comprehensive resource on translating genomic findings into treatment: how companion diagnostics guide approvals, approaches to off-label use, managing resistance, and strategies for trial enrollment and outcome monitoring.

Sections covered
Companion diagnostics and regulatory frameworkLevels of evidence for targeted therapies and off-label considerationsCommon resistance mechanisms and strategies to overcome themFinding and matching patients to clinical trials (platforms and filters)Tumor-agnostic therapies and tumor-agnostic trial designsMeasuring outcomes: response, PFS, real-world evidenceOperational workflows for implementing precision oncology programs
1
High Informational

Companion Diagnostics and the Regulatory Landscape (FDA, CE, CLIA/CAP Considerations)

Explains what companion diagnostics are, regulatory pathways for approval, and how labs implement CDx claims into practice.

“what is a companion diagnostic”
2
High Informational

Managing Acquired Resistance: Case Studies (EGFR T790M, ALK Resistance Mutations, BRAF Reactivation)

Illustrative examples of common resistance pathways, testing after progression, and therapeutic strategies (new inhibitors, combinations).

“what to do after resistance to targeted therapy”
3
Medium Informational

How to Find and Match Patients to Clinical Trials: Tools, Filters, and Eligibility Strategies

Practical guide to trial matching platforms, key eligibility criteria derived from genomics, and optimizing referrals to academic centers.

“how to find clinical trials for genetic mutations”
4
Medium Informational

Tumor-Agnostic Treatments and Basket Trials: Rationale and Clinical Examples

Explains the concept of tumor-agnostic approvals, examples (NTRK inhibitors, pembrolizumab for MSI-high), and how testing informs enrollment.

“tumor agnostic therapy examples”
5
Low Informational

Real-World Evidence in Precision Oncology: Registries, Outcome Tracking, and Value

Covers registries and real-world data sources that capture outcomes from genomic-driven therapies and how payers and regulators use this evidence.

“real world evidence precision oncology”

6. Data Resources, Knowledgebases, and Bioinformatics

Provides deep coverage of public cancer genomics datasets, clinical knowledgebases, annotation tools, and best-practice pipelines for research and clinical labs.

Pillar Publish first in this cluster
Informational “cancer genomics databases and tools”

Cancer Genomics Data, Databases, and Bioinformatics: Tools for Analysis and Interpretation

Authoritative guide to the major public datasets, variant knowledgebases, and bioinformatics tools used for annotation and interpretation, plus best practices for clinical bioinformatics pipelines and reproducible analysis.

Sections covered
Major datasets: TCGA, ICGC, GDC, EGA — what they contain and how to use themVariant and clinical knowledgebases: COSMIC, OncoKB, ClinVar, CIViCPortal tools: cBioPortal and data visualization for hypothesis generationAnnotation and prediction tools: VEP, ANNOVAR, SnpEff, Mutect, StrelkaClinical pipelines: alignment, variant calling, fusion detection, CNV callingStandards for data sharing, provenance, and reproducibilityPrivacy, controlled-access datasets, and ethical data use
1
High Informational

Using TCGA and cBioPortal for Cancer Research: A Practical Guide

Step-by-step walkthrough for accessing TCGA data and performing common exploratory analyses in cBioPortal with examples.

“how to use cBioPortal with TCGA data”
2
High Informational

OncoKB, CIViC, ClinVar and Other Knowledgebases: How to Use Them for Clinical Decision-Making

Compares major knowledgebases, data models, evidence grading, and practical workflows to map variants to treatments.

“oncokb vs civic vs clinvar”
3
Medium Informational

Variant Annotation Pipelines: VEP vs ANNOVAR vs SnpEff and Best Practices

Technical comparison of annotation tools, typical pipeline architecture, and recommendations for clinical annotation.

“vep vs annovar which is better”
4
Medium Informational

Best Practices for Bioinformatics Pipelines in Clinical Labs: Validation, Versioning, and QA

Practical checklist for building, validating, and maintaining bioinformatics workflows that meet regulatory and clinical needs.

“clinical bioinformatics pipeline validation”
5
Low Informational

Accessing Open Cancer Genomics Datasets: GDC, EGA, and Controlled-Access Resources

How to request access, download data, and comply with restrictions for major public repositories used in cancer genomics research.

“how to download tcga data gdc”

7. Ethics, Regulation, and Reimbursement

Addresses informed consent and privacy, regulatory frameworks for clinical tests, payer coverage and coding, and equity issues — critical for program implementation and patient trust.

Pillar Publish first in this cluster
Informational “ethical issues in genetic testing for cancer”

Ethical, Regulatory, and Reimbursement Issues in Tumor Genomic Testing

Covers the non-technical but essential aspects of tumor genomic testing: consent, incidental germline findings, lab accreditation and FDA considerations, reimbursement policies, and strategies to improve equitable access.

Sections covered
Informed consent and counseling for tumor sequencingHandling incidental germline findings and family implicationsRegulatory framework: CLIA, CAP, FDA approvals and LDT policiesPayer landscape, CPT codes, and reimbursement strategiesData privacy, sharing, and patient data protectionsEquity and access: disparities in genomic testing and how to address themInternational considerations and cross-border testing issues
1
High Informational

Handling Incidental Germline Findings from Tumor Testing: Clinical Workflow and Consent

Operational guidance for consent language, confirmatory germline testing, genetic counseling referral, and family communication.

“incidental germline findings tumor sequencing”
2
High Informational

CLIA, CAP, and FDA: Regulatory Requirements for Clinical Tumor Genomic Tests

Explains laboratory accreditation, validation expectations, and scenarios where FDA-approved companion diagnostics are required versus laboratory-developed tests.

“clia cap fda requirements genomic testing”
3
Medium Informational

Reimbursement Landscape and Payer Coverage for Tumor Profiling: Coding and Appeals

Overview of common CPT codes, payer coverage patterns, evidence needed for approvals, and strategies for pre-authorization and appeals.

“does insurance cover tumor genomic profiling”
4
Low Informational

Equity, Access, and Global Disparities in Genomic Testing

Discusses barriers to access across geographies and socioeconomic groups and actionable steps programs can take to reduce disparities.

“disparities in cancer genomic testing”

Content strategy and topical authority plan for Cancer Genomics: Tumor Profiling and Biomarkers

The recommended SEO content strategy for Cancer Genomics: Tumor Profiling and Biomarkers is the hub-and-spoke topical map model: one comprehensive pillar page on Cancer Genomics: Tumor Profiling and Biomarkers, supported by cluster articles each targeting a specific sub-topic. This gives Google the complete hub-and-spoke coverage it needs to rank your site as a topical authority on Cancer Genomics: Tumor Profiling and Biomarkers.

Pillar

Start with the core guide

Clusters

Follow grouped article themes

Priority

Publish strongest opportunities first

Sequence

Use the recommended order

Search intent coverage across Cancer Genomics: Tumor Profiling and Biomarkers

This topical map covers the full intent mix needed to build authority, not just one article type.

Covered Informational
Covered Commercial

Entities and concepts to cover in Cancer Genomics: Tumor Profiling and Biomarkers

TCGAICGCNCIASCOESMOFoundation MedicineGuardant HealthIlluminaMyriad GeneticsOncoKBCOSMICcBioPortalKRASEGFRTP53HER2PD-L1MSITMBBRCA1BRCA2NTRK

Publishing order

Start with the pillar page, then publish the high-priority articles first to establish coverage around what is cancer genomics faster.

Use the recommended sequence as the content calendar foundation.