Regional Lymph Nodes

These are the lymph nodes below the bifurcation of the common iliac arteries and above the inguinal ligament:

• regional lymph nodes
• common iliac
• internal iliac (hypogastric)
• external iliac
• obturator
• sacral (lateral, presacral, promontory {Gerota's}
• perivesical and pelvic
• not otherwise specified (NOS)