radical dissection

radical dissection

the surgical removal of tissue in an extensive area surrounding the operative site. Most often it is performed to identify and excise all tissue that may possibly be malignant to decrease the chance of recurrence and usually includes adjacent lymph nodes.

rad·i·cal dis·sec·tion

(rad'i-kăl di-sek'shŭn)
Surgical removal of not only the affected tissue or organ, but also the surrounding tissue in a wide margin, typically including the regional lymph nodes to remove not only the malignant tumor but also nearby tissue that may be affected to decrease the risk of recurrence or metastasis.