Target Volume Determination 2015

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StefanDelorme Division ofRadiology

Outline

Breast cancer: Lymphatic drainage

Breast cancer N stages

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• Types of breast cancer • Imaging methods and features • Mammography • Ultrasound • CT • MRI • T stages • Nodal drainage and N Stages • Treated breast cancer

Stage

Criterion

No regional lymph node metastases

Metastases in movable ipsilateral Level I or II lymph nodes

N2a N2b

- Clinically fixed ipsilateral Level I or II LN - Clinical (incl. imaging) evidence of internal mammary LN in absence of clinically detected axillary lymph nodes - Metastases in infraclavicular LN - Metastases in internal mammary AND axillary lymph nodes - Metastases in supraclavicular LN

N3a N3b N3c

StefanDelorme Division ofRadiology

Axillary lymph nodes Level I

Internal mammary chain

Axillary lymph node metastasis

21.05.14 |

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