Yes: lymph nodes are only of concern if a malignant lesion of breast is present. Usually the breast tumors are small and the incidence of nodal involvement is low so that following excisional biopsy a sentinel node bx is performed removing only those nodes in the field of drainage. If a node is palpable, it is best to remove by excisional bx unless very large when aspiration can be tried.
Answered 10/20/2014
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