Liver Cancer, Adult Primary

Treatment and Diagnosis:

If a patient has symptoms that suggest liver cancer, the doctor performs one or more of the following procedures:

• Physical exam -- The doctor feels the abdomen to check the liver, spleen, and nearby organs for any lumps or changes in their shape or size. The doctor also checks for ascites, an abnormal buildup of fluid in the abdomen. The doctor may examine the skin and eyes for signs of jaundice.
• Blood tests -- Many blood tests may be used to check for liver problems. One blood test detects alpha-fetoprotein (AFP). High AFP levels could be a sign of liver cancer. Other blood tests can show how well the liver is working.
• CT scan -- An x-ray machine linked to a computer takes a series of detailed pictures of the liver and other organs and blood vessels in the abdomen. The patient may receive an injection of a special dye so the liver shows up clearly in the pictures. From the CT scan, the doctor may see tumors in the liver or elsewhere in the abdomen.
• Ultrasound test -- The ultrasound device uses sound waves that cannot be heard by humans. The sound waves produce a pattern of echoes as they bounce off internal organs. The echoes create a picture (sonogram) of the liver and other organs in the abdomen. Tumors may produce echoes that are different from the echoes made by healthy tissues.
• MRI -- A powerful magnet linked to a computer is used to make detailed pictures of areas inside the body. These pictures are viewed on a monitor and can also be printed.
• Angiogram -- For an angiogram, the patient may be in the hospital and may have anesthesia. The doctor injects dye into an artery so that the blood vessels in the liver show up on an x-ray. The angiogram can reveal a tumor in the liver.
• Biopsy -- In some cases, the doctor may remove a sample of tissue. A pathologist uses a microscope to look for cancer cells in the tissue. The doctor may obtain tissue in several ways. One way is by inserting a thin needle into the liver to remove a small amount of tissue. This is called fine-needle aspiration. The doctor may use CT or ultrasound to guide the needle. Sometimes the doctor obtains a sample of tissue with a thick needle (core biopsy) or by inserting a thin, lighted tube (laparoscope) into a small incision in the abdomen. Another way is to remove tissue during an operation.

Staging

If liver cancer is diagnosed, the doctor needs to know the stage, or extent, of the disease to plan the best treatment. Staging is an attempt to find out the size of the tumor, whether the disease has spread, and if so, to what parts of the body. Careful staging shows whether the tumor can be removed with surgery. This is very important because most liver cancers cannot be removed with surgery.

The doctor may determine the stage of liver cancer at the time of diagnosis, or the patient may need more tests. These tests may include imaging tests, such as a CT scan, MRI, angiogram, or ultrasound. Imaging tests can help the doctor find out whether the liver cancer has spread. The doctor also may use a laparoscope to look directly at the liver and nearby organs.

Treatment

Many people with liver cancer want to take an active part in decisions about their medical care. They want to learn all they can about their disease and their treatment choices. However, the shock and stress that people often feel after a diagnosis of cancer can make it hard for them to think of everything they want to ask the doctor. Often it helps to make a list of questions before an appointment. To help remember what the doctor says, patients may want to take notes or ask whether they may use a tape recorder. Some patients also want to have a family member or friend with them when they talk to the doctor -- to take part in the discussion, to take notes, or just to listen.

At this time, liver cancer can be cured only when it is found at an early stage (before it has spread) and only if the patient is healthy enough to have an operation. However, treatments other than surgery may be able to control the disease and help patients live longer and feel better. When a cure or control of the disease is not possible, some patients and their doctors choose palliative therapy. Palliative therapy aims to improve the quality of a person's life by controlling pain and other problems caused by the disease.

Getting a Second Opinion

Before starting treatment, a patient may want to get a second opinion about the diagnosis, the stage of cancer, and the treatment plan. Some insurance companies require a second opinion; others may cover a second opinion if the patient requests it.

There are a number of ways to find a doctor for a second opinion:

• The doctor may refer patients to one or more specialists. At cancer centers, several specialists often work together as a team.
• The Cancer Information Service (1-800-4-CANCER) can tell callers about treatment facilities, including cancer centers and other programs supported by the National Cancer Institute, and can send printed information about finding a doctor.
• A local medical society, a nearby hospital, or a medical school can usually provide the names of specialists.

Treatment Choices

The doctor can describe treatment choices and discuss the results expected with each treatment option. The doctor and patient can work together to develop a treatment plan that fits the patient's needs.

Cancer of the liver is very hard to control with current treatments. For that reason, many doctors encourage patients with liver cancer to consider taking part in a clinical trial. Clinical trials are research studies testing new treatments. They are an important option for people with all stages of liver cancer. The section called "The Promise of Cancer Research" has more information about clinical trials.

The choice of treatment depends on the condition of the liver; the number, size, and location of tumors; and whether the cancer has spread outside the liver. Other factors to consider include the patient's age, general health, concerns about the treatments and their possible side effects, and personal values.

Usually, the most important factor is the stage of the disease. The stage is based on the size of the tumor, the condition of the liver, and whether the cancer has spread. The following are brief descriptions of the stages of liver cancer and the treatments most often used for each stage. For some patients, other treatments may be appropriate.

Localized resectable cancer

Localized resectable liver cancer is cancer that can be removed during surgery. There is no evidence that the cancer has spread to the nearby lymph nodes or to other parts of the body. Lab tests show that the liver is working well.

Surgery to remove part of the liver is called partial hepatectomy. The extent of the surgery depends on the size, number, and location of the tumors. It also depends on how well the liver is working. The doctor may remove a wedge of tissue that contains the liver tumor, an entire lobe, or an even larger portion of the liver.

In a partial hepatectomy, the surgeon leaves a margin of normal liver tissue. This remaining healthy tissue takes over the functions of the liver.

For a few patients, liver transplantation may be an option. For this procedure, the transplant surgeon removes the patient's entire liver (total hepatectomy) and replaces it with a healthy liver from a donor. A liver transplant is an option only if the disease has not spread outside the liver and only if a suitable donated liver can be found. While the patient waits for a donated liver to become available, the health care team monitors the patient's health and provides other treatments, as necessary.

Localized unresectable cancer

Localized unresectable liver cancer cannot be removed by surgery even though it has not spread to the nearby lymph nodes or to distant parts of the body. Surgery to remove the tumor is not possible because of cirrhosis (or other conditions that cause poor liver function), the location of the tumor within the liver, or other health problems.

Patients with localized unresectable cancer may receive other treatments to control the disease and extend life:

• Radiofrequency ablation -- The doctor uses a special probe to kill the cancer cells with heat. The probe contains tiny electrodes that destroy the cancer cells. Sometimes the doctor can insert the probe directly through the skin. Only local anesthesia is needed. In other cases, the doctor may insert the probe through a small incision in the abdomen or may make a wider incision to open the abdomen. These procedures are done in the hospital with general anesthesia.

Other therapies that use heat to destroy liver tumors include laser or microwave therapy.

• Percutaneous ethanol injection -- The doctor injects alcohol (ethanol) directly into the liver tumor to kill cancer cells. The doctor uses ultrasound to guide a small needle. The procedure may be performed once or twice a week. Usually local anesthesia is used, but if the patient has many tumors in the liver, general anesthesia may be needed.
• Cryosurgery -- The doctor makes an incision into the abdomen and inserts a metal probe to freeze and kill cancer cells. The doctor may use ultrasound to help guide the probe.
• Hepatic arterial infusion -- The doctor inserts a tube (catheter) into the hepatic artery, the major artery that supplies blood to the liver. The doctor then injects an anticancer drug into the catheter. The drug flows into the blood vessels that go to the tumor. Because only a small amount of the drug reaches other parts of the body, the drug mainly affects the cells in the liver

Hepatic arterial infusion also can be done with a small pump. The doctor implants the pump into the body during surgery. The pump continuously sends the drug to the liver.

• Chemoembolization -- The doctor inserts a tiny catheter into an artery in the leg. Using x-rays as a guide, the doctor moves the catheter into the hepatic artery. The doctor injects an anticancer drug into the artery and then uses tiny particles to block the flow of blood through the artery. Without blood flow, the drug stays in the liver longer. Depending on the type of particles used, the blockage may be temporary or permanent. Although the hepatic artery is blocked, healthy liver tissue continues to receive blood from the hepatic portal vein, which carries blood from the stomach and intestine. Chemoembolization requires a hospital stay.
• Total hepatectomy with liver transplantation -- If localized liver cancer is unresectable because of poor liver function, some patients may be able to have a liver transplant. While the patient waits for a donated liver to become available, the health care team monitors the patient's health and provides other treatments, as necessary.

Advanced cancer

Advanced cancer is cancer that is found in both lobes of the liver or that has spread to other parts of the body. Although advanced liver cancer cannot be cured, some patients receive anticancer therapy to try to slow the progress of the disease. Others discuss the possible benefits and side effects and decide they do not want to have anticancer therapy. In either case, patients receive palliative care to reduce their pain and control other symptoms.

Treatment for advanced liver cancer may involve chemotherapy, radiation therapy, or both:

• Chemotherapy uses drugs to kill cancer cells. The patient may receive one drug or a combination of drugs. The doctor may use chemoembolization or hepatic arterial infusion. Or the doctor may give systemic therapy, meaning that the drugs are injected into a vein and flow through the bloodstream to nearly every part of the body. The doctor may call this intravenous or IV chemotherapy.

Usually chemotherapy is an outpatient treatment given at the hospital, clinic, or at the doctor's office. However, depending on which drugs are given and the patient's general health, the patient may need to stay in the hospital.

• Radiation therapy (also called radiotherapy) uses high-energy rays to kill cancer cells. Radiation therapy is local therapy, meaning that it affects cancer cells only in the treated area. A large machine outside the body directs radiation to the tumor area.

Recurrent cancer means the disease has come back after the initial treatment. Even when a tumor in the liver seems to have been completely removed or destroyed, the disease sometimes returns because undetected cancer cells remained somewhere in the body after treatment. Most recurrences occur within the first 2 years of treatment. The patient may have surgery or a combination of treatments for recurrent liver cancer.

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Side Effects of Treatment

Because cancer treatment may damage healthy cells and tissues, unwanted side effects often occur. Side effects depend on many factors, including the type and extent of the treatment. Side effects may not be the same for each person, and they may even change from one treatment session to the next. The health care team will explain the possible side effects of treatment and how they will help the patient manage them.

Surgery

It takes time to heal after surgery, and the time needed to recover is different for each person. Patients are often uncomfortable during the first few days. However, medicine can usually control their pain. Patients should feel free to discuss pain relief with the doctor or nurse. It is common to feel tired or weak for a while. Also, patients may have diarrhea and a feeling of fullness in the abdomen. The health care team watches the patient for signs of bleeding, infection, liver failure, or other problems requiring immediate treatment.

After a liver transplant, the patient may need to stay in the hospital for several weeks. During that time, the health care team checks for signs of how well the patient's body is accepting the new liver. The patient takes drugs to prevent the body from rejecting the new liver. These drugs may cause puffiness in the face, high blood pressure, or an increase in body hair.

Cryosurgery

Because a smaller incision is needed for cryosurgery than for traditional surgery, recovery after cryosurgery is generally faster and less painful. Also, infection and bleeding are not as likely.

Percutaneous Ethanol Injection

Patients may have fever and pain after

percutaneous ethanol injection. The doctor can suggest medicines to relieve these problems.

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Chemoembolization and Hepatic Arterial Infusion

Chemoembolization and hepatic arterial infusion cause fewer side effects than systemic chemotherapy because the drugs do not flow through the entire body. Chemoembolization sometimes causes nausea, vomiting, fever, and abdominal pain. The doctor can give medications to help lessen these problems. Some patients may feel very tired for several weeks after the treatment.

Side effects from hepatic arterial infusion include infection and problems with the pump device. Sometimes the device may have to be removed.

Systemic Chemotherapy

The side effects of chemotherapy depend mainly on the drugs and the doses the patient receives. As with other types of treatment, side effects are different for each patient.

Systemic chemotherapy affects rapidly dividing cells throughout the body, including blood cells. Blood cells fight infection, help the blood to clot, and carry oxygen to all parts of the body. When anticancer drugs damage blood cells, patients are more likely to get infections, may bruise or bleed easily, and may have less energy. Cells in hair roots and cells that line the digestive tract also divide rapidly. As a result, patients may lose their hair and may have other side effects such as poor appetite, nausea and vomiting, or mouth sores. Usually, these side effects go away gradually during the recovery periods between treatments or after treatment is complete. The health care team can suggest ways to relieve side effects.

Radiation Therapy

The side effects of radiation therapy depend mainly on the treatment dose and the part of the body that is treated. Patients are likely to become very tired during radiation therapy, especially in the later weeks of treatment. Resting is important, but doctors usually advise patients to try to stay as active as they can.

Radiation therapy to the chest and abdomen may cause nausea, vomiting, diarrhea, or urinary discomfort. Radiation therapy also may cause a decrease in the number of healthy white blood cells, cells that help protect the body against infection. Although the side effects of radiation therapy can be distressing, the doctor can usually treat or control them.

Pain Control

Pain is a common problem for people with liver cancer. The tumor can cause pain by pressing against nerves and other organs. Also, therapies for liver cancer may cause discomfort.

The patient's doctor or a specialist in pain control can relieve or reduce pain in several ways:

• Pain medicine -- Medicines often can relieve pain. (These medicines may make people drowsy and constipated, but resting and taking laxatives can help.)
• Radiation -- High-energy rays can help relieve pain by shrinking the tumor.
• Nerve block -- The doctor may inject alcohol into the area around certain nerves in the abdomen to block the pain.

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