Renal cell cancer (also called renal cell adenocarcinoma) is a disease in which cancer cells are found in the lining of tubules (very small tubes) in the kidney. It is the most common type of kidney cancer in adults. There are two kidneys, one on each side of the backbone, above the waist. Tiny tubules in the kidneys filter and clean the blood. They take out waste products and make urine. The urine passes from each kidney through a long tube called a ureter into the bladder. The bladder holds the urine until it passes through the urethra and leaves the body.
Cancer that starts in the ureters or the renal pelvis (the part of the kidney that collects urine and drains it to the ureters) is different from renal cell cancer. For more information, visit Transitional Cell Cancer of the Renal Pelvis and Ureter Treatment.
Renal cell cancer is caused by certain changes to the way renal cells function, especially how they grow and divide into new cells. There are many risk factors for renal cell cancer, but many do not directly cause cancer. Instead, they increase the chance of DNA damage in cells that may lead to renal cell cancer. Learn more about how cancer develops at What Is Cancer?
A risk factor is anything that increases the chance of getting a disease. Some risk factors for renal cell cancer, like smoking, can be changed. However, risk factors also include things you cannot change, like your genetics, getting older, and your family history. Learning about risk factors for renal cell cancer can help you make changes that might lower your risk of getting it.
Risk factors for renal cell cancer include:
Tobacco use is a leading cause of cancer and death from cancer. Learn more about Tobacco (includes help with quitting).
Having one or more of these risk factors does not mean you will get renal cell cancer. Many people with risk factors never develop renal cell cancer, while others with no known risk factors do. Talk with your doctor if you think you may be at risk.
These and other signs and symptoms may be caused by renal cell cancer or by other conditions. There may be no signs or symptoms in the early stages. Signs and symptoms may appear as the tumor grows. Check with your doctor if you have:
In addition to asking about your personal and family health history and doing a physical exam, your doctor may perform the following tests and procedures:
The process used to find out if cancer has spread within the kidney or to other parts of the body is called staging. The information gathered from the staging process determines the stage of the disease. It is important to know the stage in order to plan treatment.
Some of the tests and procedures used to diagnose liver cancer, such as CT scan and MRI, may be used in the staging process. Other tests include:
You may want to get a second opinion to confirm your renal cell cancer diagnosis and treatment plan. If you seek a second opinion, you will need to get medical test results and reports from the first doctor to share with the second doctor. The second doctor will review the pathology report, slides, and scans. They may agree with the first doctor, suggest changes or another treatment approach, or provide more information about your cancer.
To learn more about choosing a doctor and getting a second opinion, see Finding Cancer Care. You can contact NCI's Cancer Information Service via chat, email, or phone (both in English and Spanish) for help finding a doctor, hospital, or getting a second opinion. For questions you might want to ask at your appointments, see Questions to Ask Your Doctor About Cancer.
The prognosis and treatment options depend on:
Cancer stage describes the extent of cancer in the body, such as the size of the tumor, whether it has spread, and how far it has spread from where it first formed.
There are several staging systems for cancer that describe the extent of the cancer. Renal cell cancer staging usually uses the TNM staging system. The cancer may be described by this staging system in your pathology report. Based on the TNM results, a stage (I, II, III, or IV, also written as 1, 2, 3, or 4) is assigned to your cancer. When talking to you about your diagnosis, your doctor may describe the cancer as one of these stages.
Learn about tests to stage renal cell cancer. Learn more about Cancer Staging.
In stage I, the tumor is 7 centimeters or smaller and is found in the kidney only.
In stage II, the tumor is larger than 7 centimeters and is found in the kidney only.
In stage III, one of the following is found:
In stage IV, one of the following is found:
Stage IV renal cell cancer is also called metastatic renal cell cancer. Metastatic cancer happens when cancer cells travel through the lymphatic system or blood and form tumors in other parts of the body. The metastatic tumor is the same type of cancer as the primary tumor. For example, if renal cell cancer spreads to the liver, the cancer cells in the liver are actually renal cell cancer. The disease is called metastatic renal cell cancer, not liver cancer. Learn more in Metastatic Cancer: When Cancer Spreads.
Recurrent renal cell cancer is cancer that has come back after it has been treated. If renal cell cancer comes back, it may come back in the kidney or in other parts of the body. Tests will be done to help determine where the cancer has returned. The type of treatment for recurrent renal cell cancer will depend on where it has come back.
Learn more in Recurrent Cancer: When Cancer Comes Back. Information to help you cope and talk with your health care team can be found in the booklet When Cancer Returns.
Different types of treatments are available for people with renal cell cancer. You and your cancer care team will work together to decide your treatment plan, which may include more than one type of treatment. Many factors will be considered, such as the stage of the cancer, your overall health, and your preferences. Your plan will include information about your cancer, the goals of treatment, your treatment options and the possible side effects, and the expected length of treatment.
Talking with your cancer care team before treatment begins about what to expect will be helpful. You'll want to learn what you need to do before treatment begins, how you'll feel while going through it, and what kind of help you will need. To learn more, see Questions to Ask Your Doctor About Treatment.
Surgery to remove part or all of the kidney is often used to treat renal cell cancer. The following types of surgery may be used:
A person can live with part of one working kidney, but if both kidneys are removed or not working, the person will need dialysis (a procedure to clean the blood using a machine outside of the body) or a kidney transplant (replacement with a healthy donated kidney). A kidney transplant may be done when the disease is in the kidney only and a donated kidney can be found. If the person has to wait for a donated kidney, other treatment is given as needed.
After the doctor removes all the cancer that can be seen at the time of the surgery, some people may receive radiation therapy to kill any cancer cells that are left. Treatment given after surgery to lower the risk that the cancer will come back is called adjuvant therapy.
When surgery to remove the cancer is not possible, other procedures might be done:
Radiation therapy uses high-energy x-rays or other types of radiation to kill cancer cells or keep them from growing. External beam radiation therapy uses a machine outside the body to send radiation toward the area of the body with cancer. External beam radiation therapy is used to treat renal cell cancer, and may also be used as palliative therapy to relieve symptoms and improve quality of life. A specific way to give radiation therapy called stereotactic ablative body radiation therapy, or stereotactic radiosurgery, may be used in some cases.
Learn more about External Beam Radiation Therapy for Cancer and Radiation Therapy Side Effects.
Immunotherapy helps a person's immune system fight cancer. Your doctor may suggest biomarker tests to help predict your response to certain immunotherapy drugs. Learn more about Biomarker Testing for Cancer Treatment.
Immunotherapy drugs used to treat renal cell cancer include:
Learn more about Immunotherapy to Treat Cancer.
Targeted therapy uses drugs or other substances to identify and attack specific cancer cells. Your doctor may suggest biomarker tests to help predict your response to certain targeted therapy drugs. Learn more about Biomarker Testing for Cancer Treatment.
Targeted therapies used to treat renal cell cancer include:
Learn more about Targeted Therapy to Treat Cancer.
For some people, joining a clinical trial may be an option. There are different types of clinical trials for people with cancer. For example, a treatment trial tests new treatments or new ways of using current treatments. Supportive care and palliative care trials look at ways to improve quality of life, especially for those who have side effects from cancer and its treatment.
You can use the clinical trial search to find NCI-supported cancer clinical trials accepting participants. The search allows you to filter trials based on the type of cancer, your age, and where the trials are being done. Clinical trials supported by other organizations can be found on the ClinicalTrials.gov website.
Learn more about clinical trials, including how to find and join one, at Clinical Trials Information for Patients and Caregivers.
For information about side effects caused by treatment for cancer, visit our Side Effects page.
As you go through treatment, you will have follow-up tests or check-ups. Some tests that were done to diagnose or stage the cancer may be repeated to see how well the treatment is working. Decisions about whether to continue, change, or stop treatment may be based on the results of these tests.
Some of the tests will continue to be done from time to time after treatment has ended. The results of these tests can show if your condition has changed or if the cancer has recurred (come back).
After treatment for renal cell cancer, a blood test to measure amounts of carcinoembryonic antigen (a substance in the blood that may be increased when cancer is present) may be done to see if the cancer has come back.
The main treatment for stage I renal cell cancer is surgery:
If surgery isn't an option, treatment options may include:
If none of these treatments is an option, palliative therapy aimed at relieving symptoms may include:
Learn more about these treatments in the Treatment Option Overview.
Use our clinical trial search to find NCI-supported cancer clinical trials that are accepting patients. You can search for trials based on the type of cancer, the age of the patient, and where the trials are being done. General information about clinical trials is also available.
Treatment of stage II renal cell cancer may include:
Learn more about these treatments in the Treatment Option Overview.
Use our clinical trial search to find NCI-supported cancer clinical trials that are accepting patients. You can search for trials based on the type of cancer, the age of the patient, and where the trials are being done. General information about clinical trials is also available.
Treatment of stage III renal cell cancer may include:
Learn more about these treatments in the Treatment Option Overview.
Use our clinical trial search to find NCI-supported cancer clinical trials that are accepting patients. You can search for trials based on the type of cancer, the age of the patient, and where the trials are being done. General information about clinical trials is also available.
First-line treatment of stage IV renal cell cancer may include:
Second-line treatment may include:
Third-line and fourth-line treatment may include:
Learn more about these treatments in the Treatment Option Overview.
Use our clinical trial search to find NCI-supported cancer clinical trials that are accepting patients. You can search for trials based on the type of cancer, the age of the patient, and where the trials are being done. General information about clinical trials is also available.
For more information from the National Cancer Institute about renal cell cancer, visit:
For general cancer information and other resources from the National Cancer Institute, visit:
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PDQ® Adult Treatment Editorial Board. PDQ Renal Cell Cancer Treatment. Bethesda, MD: National Cancer Institute. Updated <MM/DD/YYYY>. Available at: https://www.cancer.gov/types/kidney/patient/kidney-treatment-pdq. Accessed <MM/DD/YYYY>. [PMID: 26389448]
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