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Sentinel Node Localization Helps Determine If
Cancer Has Spread To Lymph Nodes
Sentinel node localization is a nuclear medicine study used to determine if cancer has spread to the lymph nodes.
A contrast agent (often called a dye) is used that "settles" in the lymph nodes if cancer is present and can be viewed by the radiologist and surgeon to determine which (if any) lymph nodes should be removed.
