Stage 0 (Carcinoma in Situ)
Stage I Rectal Cancer
Stage II Rectal Cancer
Stage III Rectal Cancer
Stage IV and Recurrent Rectal Cancer

A link to a list of current clinical trials is included for each treatment section. For some types or stages of cancer, there may not be any trials listed. Check with your doctor for clinical trials that are not listed here but may be right for you.

Treatment of stage 0 may include the following:

• Simple polypectomy.
• Local excision.
• Resection (when the tumor is too large to remove by local excision).
• Internal or external radiation therapy.

Check for U.S. clinical trials from NCI's PDQ Cancer Clinical Trials Registry that are now accepting patients with stage 0 rectal cancer. For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.

Treatment of stage I rectal cancer may include the following:

• Local excision.
• Resection.
• Resection with radiation therapy and chemotherapy before or after surgery.

Check for U.S. clinical trials from NCI's PDQ Cancer Clinical Trials Registry that are now accepting patients with stage I rectal cancer. For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.

Treatment of stage II rectal cancer may include the following:

• Resection plus a combination of chemotherapy and radiation therapy before or after surgery.
• Resection with or without chemotherapy after surgery.
• A clinical trial of a new treatment.

Check for U.S. clinical trials from NCI's PDQ Cancer Clinical Trials Registry that are now accepting patients with stage II rectal cancer. For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.

Treatment of stage III rectal cancer may include the following:

• Resection plus a combination of chemotherapy and radiation therapy before or after surgery.
• Resection with or without chemotherapy after surgery.
• A clinical trial of a new treatment.

Check for U.S. clinical trials from NCI's PDQ Cancer Clinical Trials Registry that are now accepting patients with stage III rectal cancer. For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.

Treatment of stage IV and recurrent rectal cancer may include the following:

• Resection with or without a combination of radiation therapy and chemotherapy before surgery.
• Resection or pelvic exenteration, as palliative therapy to relieve symptoms and improve the quality of life.
• Radiation therapy, chemotherapy, or a combination of both, as palliative therapy to relieve symptoms and improve the quality of life.
• Chemotherapy to control the growth of the tumor.
• Placement of a stent to help keep the rectum open if it is partly blocked by the tumor, as palliative therapy to relieve symptoms and improve the quality of life.
• Systemic chemotherapy with or without monoclonal antibody therapy, such as bevacizumab.
• A clinical trial of a new anticancer drug.

Treatment of rectal cancer that has spread to other organs depends on which organ the cancer has spread to.

• Treatment for areas of cancer that have spread to the liver includes the following:
  • Regional or systemic chemotherapy.
  • Internal radiation therapy.
  • Surgery to remove the tumor with or without chemotherapy before surgery.
• Treatment for areas of cancer that has spread to the lung or ovaries is surgery.

Check for U.S. clinical trials from NCI's PDQ Cancer Clinical Trials Registry that are now accepting patients with stage IV rectal cancer and recurrent rectal cancer. For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.

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