organ system benign neoplasm +
respiratory system disease +

actinobacillosis
actinomycosis
asphyxia neonatorum
asthma, nasal polyps, and aspirin intolerance
cardiovascular organ benign neoplasm +
croup
endocrine organ benign neoplasm +
gastrointestinal system benign neoplasm +
immune system organ benign neoplasm +
influenza +
integumentary system benign neoplasm +
lower respiratory tract disease +
musculoskeletal system benign neoplasm +
nervous system benign neoplasm +
reproductive organ benign neoplasm +
respiratory system cancer +
thoracic benign neoplasm +
upper respiratory tract disease +
urinary system benign neoplasm +

benign pleural mesothelioma
bronchial benign neoplasm +
laryngeal benign neoplasm +
lung benign neoplasm +
nasal cavity benign neoplasm +
nasal vestibule papilloma
neurilemmoma of the pleura
paranasal sinus benign neoplasm +
pleural lipoma
trachea leiomyoma