title: Carcinoma of the breast in a pacemaker pocket--simple recurrence or oncotaxis?
abstract: An 89-year-old female developed recurrent carcinoma of the breast in a pacemaker generator pocket. This is the fourth reported case of the occurrence of tumor in relation to a pacemaker and serves as a stimulus to review possible cause and effect relationships.
mesh_terms: D000230:Adenocarcinoma / Q000209:etiology*; D000368:Aged; D001943:Breast Neoplasms / Q000209:etiology* / Q000473:pathology; D005260:Female; D006801:Humans; D009364:Neoplasm Recurrence, Local / Q000209:etiology*; D010138:Pacemaker, Artificial / Q000009:adverse effects*