Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Tracheobronchopathia osteoplastica ?
    ### Response:
    What are the signs and symptoms of Tracheobronchopathia osteoplastica? Symptoms of tracheobronchopathia osteoplastica (TO) may be absent or non-specific. Affected people may have various respiratory symptoms such as cough, wheezing, coughing up blood (hemoptysis), and/or recurrent upper airway infections.
    