Excision of internal mammary lymph nodes as a staging procedure in selected patients with carcinoma of the breast.
D001943:Breast Neoplasms / Q000473:pathology*; D005260:Female; D006801:Humans; D008197:Lymph Node Excision; D008207:Lymphatic Metastasis; D009367:Neoplasm Staging / Q000379:methods*