title: Choriocarcinoma occurring within the normal placenta with breast metastasis.
mesh_terms: D000328:Adult; D001943:Breast Neoplasms / Q000473:pathology / Q000556:secondary*; D002822:Choriocarcinoma / Q000473:pathology / Q000556:secondary*; D005260:Female; D006801:Humans; D006828:Hydatidiform Mole; D010920:Placenta / Q000473:pathology*; D011247:Pregnancy; D011248:Pregnancy Complications; D013997:Time Factors; D014594:Uterine Neoplasms / Q000473:pathology*