benign neoplasm
 |__organ system benign neoplasm__
disease of anatomical entity      |
 |__thoracic disease______________|
                                  thoracic benign neoplasm
                                   |__axillary lipoma
                                   |__benign pericardial teratoma
                                   |__breast benign neoplasm
                                   |   |__benign breast adenomyoepithelioma
                                   |   |__benign breast phyllodes tumor
                                   |   |__benign eccrine breast spiradenoma
                                   |   |__benign mammary dysplasia
                                   |   |__breast adenoma(+)
                                   |   |__breast cyst(+)
                                   |   |__breast fibroadenoma(+)
                                   |   |__breast fibroadenosis
                                   |   |__breast fibrocystic disease(+)
                                   |   |__breast hemangioma(+)
                                   |   |__breast intraductal papillomatosis
                                   |   |__breast juvenile papillomatosis
                                   |   |__breast leiomyoma
                                   |   |__breast lipoma
                                   |   |__breast myofibroblastoma
                                   |   |__breast neuroendocrine neoplasm
                                   |   |__intraductal breast benign neoplasm(+)
                                   |   |__nipple benign neoplasm(+)
                                   |__chest wall lipoma
                                   |__heart lipoma
                                   |   |__epicardium lipoma
                                   |__mediastinum leiomyoma
                                   |__pericardium leiomyoma
                                   |__peritoneal benign neoplasm
                                       |__benign peritoneal mesothelioma
                                       |__benign peritoneal solitary fibrous tumor
                                       |__diffuse peritoneal leiomyomatosis