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Cancer Health Center

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Gallbladder Cancer Treatment (PDQ®): Treatment - Patient Information [NCI] - Stages of Gallbladder Cancer

Tests and procedures to stage gallbladder cancer are usually done at the same time as diagnosis.

See the General Information section for a description of tests and procedures used to detect, diagnose, and stage gallbladder cancer.

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There are three ways that cancer spreads in the body.

Cancer can spread through tissue, the lymph system, and the blood:

  • Tissue. The cancer spreads from where it began by growing into nearby areas.
  • Lymph system. The cancer spreads from where it began by getting into the lymph system. The cancer travels through the lymph vessels to other parts of the body.
  • Blood. The cancer spreads from where it began by getting into the blood. The cancer travels through the blood vessels to other parts of the body.

Cancer may spread from where it began to other parts of the body.

When cancer spreads to another part of the body, it is called metastasis. Cancer cells break away from where they began (the primary tumor) and travel through the lymph system or blood.

  • Lymph system. The cancer gets into the lymph system, travels through the lymph vessels, and forms a tumor (metastatic tumor) in another part of the body.
  • Blood. The cancer gets into the blood, travels through the blood vessels, and forms a tumor (metastatic tumor) in another part of the body.

The metastatic tumor is the same type of cancer as the primary tumor. For example, if gallbladder cancer spreads to the liver, the cancer cells in the liver are actually gallbladder cancer cells. The disease is metastatic gallbladder cancer, not liver cancer.

The following stages are used for gallbladder cancer:

Stage 0 (Carcinoma in Situ)

In stage 0, abnormal cells are found in the inner (mucosal) layer of the gallbladder. These abnormal cells may become cancer and spread into nearby normal tissue. Stage 0 is also called carcinoma in situ.

Stage I

In stage I, cancer has formed and has spread beyond the inner (mucosal) layer to a layer of tissue with blood vessels or to the muscle layer.

Stage II

In stage II, cancer has spread beyond the muscle layer to the connective tissue around the muscle.

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