Sentinel Lymph Node Biopsy

**Semantic type:** Diagnostic Procedure

**Definition:** Surgical removal and examination of the sentinel node, the lymph node which is first in receiving the lymphatic drainage of a specified anatomic location and is most likely to be affected by the lymphatic spread of cancer.

**Synonyms:** - SENTINEL LYMPH NODE BIOPSY - SLNB - SNB - Sentinel Node Biopsy - Sentinel node biopsy alone - sentinel lymph node biopsy