Changes

*Even more rare than neoplasia in [[Larynx - Anatomy & Physiology|larynx]]

*Even more rare than neoplasia in [[Larynx - Anatomy & Physiology|larynx]]

*'''Giant cell tumour''' reported in [[Equine Alimentary System  - Anatomy & Physiology|horses]]

*'''Giant cell tumour''' reported in [[Alimentary System  - Horse Anatomy|horses]]

*'''Adenocarcinoma''' reported in dogs

*'''Adenocarcinoma''' reported in dogs

*Tracheal cartillages may form '''chondromas'''

*Tracheal cartillages may form '''chondromas'''