What Are The Stages Of Cancer?

Other Staging Systems Used

The TNM cancer staging system is not the only staging system used to classify the severity and extent of cancer. The Ann Arbor staging classification is a system commonly utilized to stage lymphomas. Types of cancer that affect the cervix, ovaries, vulva, uterus, and vagina are staged using another cancer staging system closely based on the TNM staging system. This system was created by the International Federation of Gynecology and Obstetrics or FIGO. Another widely known and used system for cancer staging is referred to as summary staging. Summary staging applies to numerous types of cancer and categorizes cancer into five different categories. These categories include in situ, localized, regional, distant, and unknown. Cancer staging systems are known to evolve and change over time due to the new developments and discoveries that allow scientists and the medical community to learn more about cancer.

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