What should I ask my oncologist after a new colon cancer diagnosis

Colorectal CancerOctober 5, 2026Navis AI

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This answer was generated by AI grounded in NCCN guidelines and published medical literature. It is not medical advice. Always consult your oncologist or care team before making treatment decisions.

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Important Questions to Ask Your Oncologist After a Colon Cancer Diagnosis

Getting a new colorectal cancer diagnosis is overwhelming, and it's completely normal to feel uncertain about what to ask. Here are the most important questions to help you understand your situation and make informed decisions about your care:

Understanding Your Diagnosis

1. "What stage is my cancer, and what does that mean for my treatment options?"

  • Stage tells you how far the cancer has spread and helps guide treatment decisions
  • This is foundational information you need before discussing any treatment plan

2. "What's driving my tumor growth? What biomarkers or genetic mutations does my cancer have?"

  • This question is crucial because it unlocks personalized treatment options
  • According to guidance from cancer patient advocates, understanding what's driving your tumor can reveal targeted therapies, immunotherapies, or clinical trials specific to your cancer's characteristics

3. "Will I need genetic testing of my tumor, and if so, what kind?"

  • Comprehensive genomic profiling (testing your tumor's DNA) can identify actionable mutations
  • Ask specifically about testing for microsatellite instability (MSI), mismatch repair (MMR) deficiency, and other biomarkers relevant to colorectal cancer
  • This testing may reveal treatment options your doctor hasn't yet mentioned

About Your Treatment Plan

4. "What are ALL my treatment options, including standard and newer approaches?"

  • Don't settle for just one recommendation—ask what alternatives exist
  • This might include chemotherapy, targeted therapy, immunotherapy, surgery, radiation, or combinations
  • Ask about the pros and cons of each option for YOUR specific situation

5. "Are there clinical trials available for me? How will you help me find them?"

  • Clinical trials may offer access to cutting-edge treatments
  • Your local hospital may not have trials, but other institutions might—ask if your doctor will help you search nationally
  • According to ASCO (American Society of Clinical Oncology) guidance, clinical trials can provide better outcomes and fewer side effects for some patients

6. "If my current treatment isn't working, how will you know, and what will we do next?"

  • Understand the plan for monitoring your response to treatment
  • Ask about imaging schedules and what changes would trigger a treatment adjustment
  • This shows you're thinking ahead about potential scenarios

Testing and Monitoring

7. "What additional tests should I get to personalize my care?"

  • Ask about liquid biopsies (blood tests that detect circulating tumor DNA/ctDNA)
  • These emerging tests can help detect cancer recurrence earlier than imaging alone
  • According to OpenOnco research, molecular residual disease (MRD) testing using ctDNA can identify molecular recurrence before clinical symptoms appear, which may guide surveillance schedules and adjuvant (additional) therapy decisions

8. "How frequently should I get follow-up tests and imaging?"

  • Understand your surveillance schedule after treatment
  • Ask about both imaging (CT scans) and blood-based tests
  • This helps you plan and know what to expect

Family and Genetic Implications

9. "What are the consequences of this diagnosis for my family members?"

  • Ask if you should have germline genetic testing (testing your normal cells for inherited cancer risk)
  • Some colorectal cancers run in families due to inherited mutations like Lynch syndrome
  • Your family members may need screening or preventive measures

10. "Should my family members be screened for colorectal cancer?"

  • Depending on your diagnosis, relatives may need earlier or more frequent screening
  • This is important health information for your loved ones

Your Care Team

11. "Do you recommend a second opinion, and would you support me getting one?"

  • A good oncologist will support you seeking another expert's perspective
  • This is especially important for complex cases or if you're considering clinical trials

12. "If you feel you can't help me further, will you recommend other places with more advanced capabilities?"

  • This ensures you know your doctor is committed to your best care
  • Some specialized cancer centers may have expertise or clinical trials your local hospital doesn't offer

Getting Copies of Your Records

13. "Can I get copies of all my test results, pathology reports, and imaging?"

  • You have the right to your [ID removed]
  • Having these helps if you seek second opinions or want to research your specific findings
  • Ask for both the written reports AND the underlying data/images when possible

How to Prepare for Your Appointment

  • Write down your questions before your visit so you don't forget them
  • Bring someone with you to take notes—it's hard to remember everything when you're processing difficult information
  • Ask your doctor to explain things in simpler language if you don't understand medical terminology
  • Request educational resources your doctor may have about genetic and genomic tests
  • Ask for time if you need it—don't feel rushed to make decisions immediately

Key Takeaway

According to cancer patient advocacy resources, educating yourself about your disease and testing options empowers you to have more informed discussions with your doctors. The goal is partnership—your oncologist brings medical expertise, and you bring knowledge about your own body and preferences. The best outcomes happen when patients actively participate in their care decisions.


This information is for educational purposes only. Always consult your healthcare team for personalized medical advice and decisions.

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