The sentinel lymph nodes of the abdomen.
D000005:Abdomen / Q000601:surgery*; D000008:Abdominal Neoplasms / Q000601:surgery; D001401:Azygos Vein / Q000601:surgery; D005770:Gastrointestinal Neoplasms / Q000601:surgery; D006801:Humans; D008197:Lymph Node Excision; D009362:Neoplasm Metastasis; D013897:Thoracic Duct / Q000601:surgery