A few weeks ago, I shared that I believe I might have relapsed after finishing chemotherapy, especially since an...

LymphomaOctober 3, 2026Navis AI

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For informational purposes only

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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Question asked:

A few weeks ago, I shared that I believe I might have relapsed after finishing chemotherapy, especially since an ultrasound showed something unusual. I had a full-body PET scan on Monday and am now awaiting the results. Recently, I've been experiencing stuffy sinuses and ears. I went to urgent care,...

Understanding Your Situation and Next Steps

I can hear the concern in your message, especially after completing chemotherapy and now waiting for PET scan results. Let me help you understand what's happening and what questions to ask your care team.

What Your PET Scan Shows (Educational Context)

According to the NCCN Guidelines for Patients with Marginal Zone Lymphomas, a PET scan is one of the key imaging tests used to look for lymphoma activity. Here's what doctors are evaluating:

How PET scans work:

  • A radioactive tracer (a special dye) is injected into your bloodstream
  • Cancer cells typically use more sugar than normal cells, so they "light up" on the scan
  • Doctors compare these bright spots to your baseline scans to see if there's new activity, stable disease, or improvement
  • The scan helps determine if lymphoma is present in lymph nodes, organs, or other tissues

Important context: Not all bright spots are cancer—inflammation, infection, or normal body activity can also show up. This is why your oncologist's interpretation is crucial.

About Your Sinus and Ear Symptoms

The stuffy sinuses and ears you're experiencing could be:

  • A common viral or bacterial infection (unrelated to lymphoma)
  • Inflammation from recent treatment effects
  • Coincidental timing with your scan results

This is important to mention to your oncologist when you discuss your PET results, as they need the complete clinical picture.


Questions to Ask Your Oncologist When You Get Results

Based on the NCCN Guidelines approach to lymphoma management, here are specific questions that will help you understand your situation:

About the PET scan results:

  1. "What do the PET scan results show compared to my baseline scan from before chemotherapy?"
  2. "Are there any new areas of activity, or has the previous area changed?"
  3. "What does this mean for my prognosis—am I in remission, or is there evidence of relapse?"

About next steps: 4. "If this shows relapse, what are my treatment options? (For example, are we considering clinical trials, different chemotherapy, CAR T-cell therapy, or other approaches?)" 5. "What is the timeline for starting any new treatment?"

About your symptoms: 6. "Could my sinus and ear symptoms be related to my lymphoma or treatment, or should I follow up with my primary care doctor about this?"


Treatment Context (If Relapse Is Confirmed)

According to the NCCN Guidelines for Marginal Zone Lymphomas, if your lymphoma has returned after initial chemotherapy, doctors typically consider several pathways:

  • Clinical trials (often the first recommendation for relapsed disease)
  • Different systemic therapies (chemotherapy combinations or targeted approaches)
  • CAR T-cell therapy (an advanced immunotherapy that's FDA-approved for certain lymphoma types after multiple treatments)
  • Radiation therapy (if disease is localized)
  • Hematopoietic cell transplant (HCT) or stem cell transplant (in some cases)

The specific approach depends on:

  • How long you remained in remission after your first treatment
  • Your overall health and fitness for intensive therapy
  • Specific characteristics of your lymphoma
  • Your preferences and goals

Your oncologist will determine the best approach for YOUR specific case based on the complete clinical picture, including your PET results, prior treatment response, and overall health.


What to Do While Waiting for Results

  1. Document your symptoms - Note when the sinus/ear symptoms started and any other changes you've noticed
  2. Prepare your questions - Write down the questions above plus any others specific to your situation
  3. Gather your records - Have your previous scan results and treatment summary available for your appointment
  4. Consider bringing support - A family member or friend can help you process information and take notes
  5. Be honest about your concerns - Tell your doctor about your worry regarding relapse; this helps them address your specific fears

Important Reminders

The waiting period after imaging can feel very long and anxiety-provoking. It's completely normal to feel worried. However, the PET scan results will give you and your care team concrete information to make decisions together.

According to the American Cancer Society, patients who are actively engaged in understanding their results and asking questions tend to have better outcomes and feel more in control of their care.


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

I'm here to help you understand your results once you receive them. Please feel free to share the PET scan report when you get it, and I can help you interpret what the findings mean in plain language.

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