Presentation
Known case of right breast carcinoma
Patient Data
Age: 40 years
Gender: Female
From the case:
Axillary lymph nodes surgical levels
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Biopsy-proven right breast carcinoma showing pathological ipsilateral level I, II, and III axillary lymph nodes (divided by pectoralis minor muscle). Mediastinal and supraclavicular lymph nodes are also noted.
Case Discussion
Surgical levels of axillary lymph nodes are defined by their relation to the pectoralis minor muscle:
level I: lateral to the pectoralis minor muscle
level II: posterior to the pectoralis minor muscle (including interpectoral lymph nodes, also known as Rotter node)
level III: medial to the pectoralis minor muscle
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