
Understanding Chemoembolization: What It Is and Why You Might Need It
If you or a loved one has just been told you need chemoembolization, it’s natural to feel overwhelmed. The term might sound complex, but this treatment is a powerful, targeted way to fight certain cancers—especially tumors in the liver—while minimizing side effects.
In this blog, we’ll break it down simply and help you understand what chemoembolization is, why it’s used, what to expect from the procedure, and how it fits into your treatment plan.
What Is Chemoembolization?
Chemoembolization—often referred to as TACE (Transarterial Chemoembolization)—is a minimally invasive cancer treatment used primarily for liver tumors. It combines chemotherapy with embolization, which is a technique used to block blood flow.
Here’s how it works:
- A specialized doctor called an interventional radiologist inserts a tiny catheter (tube) through an artery in your groin or wrist.
- Using live X-ray imaging, the doctor guides the catheter directly to the artery feeding the tumor.
- Once there, they deliver a high dose of chemotherapy directly to the tumor site.
- Tiny particles are then released to block the blood supply, trapping the chemo in the tumor and cutting off its nutrients.
Why Is Chemoembolization Recommended?
Chemoembolization is typically used to treat:
- Primary liver cancer (like hepatocellular carcinoma)
- Metastatic liver tumors (cancer that has spread to the liver from other organs)
- Tumors that cannot be removed through surgery
- Cancer that hasn’t responded well to standard chemotherapy
You might be a candidate for this treatment if your doctors are looking for a way to control tumor growth, relieve symptoms, or shrink tumors before surgery or transplant.
Benefits of Chemoembolization
- Delivers high-dose chemo directly to the tumor
- Limits damage to the rest of your body
- Reduces blood flow to the tumor, starving it
- Usually done without open surgery
- Outpatient or short hospital stay
What to Expect During and After the Procedure
The procedure is usually done in a hospital’s radiology department. You’ll be sedated, but not fully asleep. Most patients go home the same day or stay just one night. You may experience fatigue, mild fever, or abdominal discomfort for a few days. Your care team will monitor you closely and provide medication to manage any side effects.
Does Chemoembolization Cure Cancer?
While chemoembolization isn’t usually considered a cure, it is a highly effective way to slow tumor growth and extend life—especially when surgery isn’t an option. For some, it’s a bridge to a liver transplant. For others, it’s a way to manage cancer while maintaining quality of life.
You’re Not Alone
Facing cancer can feel like a lonely road, but know this: there are advanced options—and experts ready to help you through it. Chemoembolization is one of the many tools interventional radiologists use to deliver powerful treatment with fewer side effects.
Need Help Understanding Your Options?
Call us at 650-404-8445 to speak with Dr. Fabio Komlos or a member of our care team. We’re here to answer your questions, explain your options, and guide you every step of the way.

