A Patient with a Breast Biopsy Positive for Cancer Is

A patient with a breast biopsy positive for cancer is to undergo lymphatic mapping and sentinel lymph node dissection (SLND) . The nurse explains that this procedure

A) can identify specific lymph nodes that have malignant cells, so only involved nodes need to be excised.
B) reduces the need for extensive lymph node dissection for pathologic examination.
C) eliminates the need for excision of more than one lymph node for staging of breast cancer.
D) will confirm the absence of tumor spread if the sentinel lymph node is negative for malignant changes.