Occult carcinoma of the breast.
D000230:Adenocarcinoma / Q000473:pathology*; D001365:Axilla; D001706:Biopsy; D001943:Breast Neoplasms / Q000473:pathology*; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D008408:Mastectomy; D008875:Middle Aged