benign neoplasm
 |__organ system benign neoplasm__
disease of anatomical entity      |
 |__respiratory system disease____|
                                  respiratory system benign neoplasm
                                   |__benign pleural mesothelioma
                                   |__bronchial benign neoplasm
                                   |   |__alveoli adenoma
                                   |   |__bronchus adenoma(+)
                                   |   |__endobronchial lipoma
                                   |__laryngeal benign neoplasm
                                   |   |__glottis neoplasm
                                   |   |__laryngeal neuroendocrine tumor
                                   |   |__larynx leiomyoma
                                   |   |__larynx squamous papilloma
                                   |   |__subglottis benign neoplasm(+)
                                   |   |__supraglottis neoplasm(+)
                                   |__lung benign neoplasm
                                   |   |__hemangioma of lung
                                   |   |__hilar lung neoplasm
                                   |   |__lung adenoma
                                   |   |__lung clear cell-sugar-tumor
                                   |   |__lung leiomyoma(+)
                                   |   |__pulmonary coin lesion
                                   |   |__pulmonary sclerosing hemangioma
                                   |__nasal cavity benign neoplasm
                                   |   |__nasal cavity inverting papilloma
                                   |__nasal vestibule papilloma
                                   |__neurilemmoma of the pleura
                                   |__paranasal sinus benign neoplasm
                                   |   |__ethmoidal sinus benign neoplasm(+)
                                   |   |__frontal sinus benign neoplasm(+)
                                   |   |__maxillary sinus benign neoplasm(+)
                                   |   |__sphenoidal sinus benign neoplasm(+)
                                   |__pleural lipoma
                                   |__trachea leiomyoma