Radical surgery, also called radical dissection, refers to the removal of blood supply, lymph nodes and sometimes adjacent structures of a diseased organ or tumor during surgery . In surgical oncology, radical surgery  typically describes the removal of a tumor or mass and ancillary lymph nodes that may drain the mass for diagnostic and/or treatment purposes , as in radical mastectomy.radical dissection - The Free Dictionary  
Radical surgery, also called radical dissection, is surgery that is more extensive than "conservative" surgery. In surgical oncology, radical surgery is surgery intended to remove both a tumor and any metastases thereof, for diagnostic and/or treatment purposes. It typically describes the removal of a tumor or mass and ancillary lymph nodes that may drain the mass , as in radical mastectomy.radical dissection - The Free Dictionary It is opposed to for example palliative surgery which is intended for symptom relief rather than complete removal of cancer tissue. In histopathology, radicality of tumor excisions is generally defined as the absence of tumor cells in a certain resection margin, with the specific margin width varying by tumor type and local guidelines. A non-radical excision may require re-excision.
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refers to the removal of blood supply, lymph nodes and sometimes adjacent structures of a diseased organ or tumor during surgery .
is surgery that is more extensive than "conservative" surgery.
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is surgery intended to remove both a tumor and any metastases thereof, for diagnostic and/or treatment purposes. It
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for diagnostic and/or treatment purposes
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It is opposed to for example palliative surgery which is intended for symptom relief rather than complete removal of cancer tissue.
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In histopathology, radicality of tumor excisions is generally defined as the absence of tumor cells in a certain resection margin, with the specific margin width varying by tumor type and local guidelines. A non-radical excision may require re-excision.