title: Occult axillary lymph node metastases in invasive breast carcinoma: characteristics of the primary tumor and significance of the metastases.
mesh_terms: D000328:Adult; D000368:Aged; D001365:Axilla; D001940:Breast / Q000098:blood supply / Q000473:pathology*; D001943:Breast Neoplasms / Q000401:mortality / Q000473:pathology*; D005260:Female; D006801:Humans; D008198:Lymph Nodes / Q000473:pathology*; D008207:Lymphatic Metastasis / Q000401:mortality / Q000473:pathology*; D008875:Middle Aged; D012008:Recurrence