| Front | Breast: lymphatic drainage |
|---|---|
| Back | Structure: 1. Axillary nodes - located in axilla, receive lateral 75% of breast lymph 2. Parasternal nodes - along internal thoracic artery, receive medial 25% of breast lymph 3. Contralateral nodes (of opposite breast) - may receive lymph that drains across the chest midline (more likely if other paths are blocked due to cancer) 4. Cervical nodes - in supraclavicular fossa, only receive breast lymph if cancer is very serious Function: very important because can be used clinically to diagnose and treat breast cancer |
Tags: breast
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