The type of lymphadenectomy also depends on the region that requires the surgery. Whether a person requires a regional or radical lymphadenectomy depends on the position and type of tumor. A radical lymphadenectomy comprises removing most, or even all, of the tumor-adjacent lymph nodes. The National Cancer Institute (NCI) explains that doctors tend to divide lymphadenectomies into two main types - regional or radical.Ī regional lymphadenectomy involves removing only some of the tumor-adjacent lymph nodes. The sentinel lymph node is typically the first lymph node that cancer may spread to. It is less invasive than a lymphadenectomy and can help to discover if cancer has spread from a tumor to the sentinel lymph node. This can happen when the person’s lymph nodes do not feel enlarged.
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