Parasternal (internal mammary) nodes

Local vessels and regional nodes · Medial breast

A small chain alongside the internal thoracic vessels in the upper intercostal spaces takes the medial breast, anterior chest wall, upper anterior abdominal wall and part of the liver, and drains onward into the bronchomediastinal trunk.

Traced from the start

  1. Breast
  2. Parasternal (internal mammary) nodes

Detail

Position
Along the internal thoracic (mammary) vessels
Receives
Medial breast, anterior chest wall, diaphragm, liver via the falciform ligament
Efferents
Bronchomediastinal trunk

When it goes wrong

Medial or central breast carcinoma

Parasternal nodal spread that axillary sampling cannot detect

Practise this structure

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