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What does "stage 4 cancer" mean?

A:

Quick Answer

Stage 4 cancer means there is a distant spread of the cancer, states Cancer Institute NSW. This progression is also called metastasis. Due to metastasis, stage 4 cancer is usually not cured with surgery or radiotherapy, states Oasis of Hope.

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Full Answer

The stages of cancer span from zero to four, with four being the most severe, explains Cancer Institute NSW. Stage 0 cancer is called in situ cancer, or cancer that has not yet spread. Stage 1 is localized cancer, or cancer that has begun to spread to the surrounding cells. Stages 2 and 3 are characterized by the regional spread of cancer. Cancer invades the lymph nodes during these stages.

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